GB/T 14666-2025Terms for analytical chemistry (English PDF)

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents" Drafting.

This document replaces GB/T 14666-2003 "Analytical Chemistry Terminology". Compared with GB/T 14666-2003, except for structural adjustment and editing, In addition to the changes in performance, the main technical changes are as follows.

a) The description of the scope has been changed (see Chapter 1, Chapter 1 of the 2003 edition);

b) Added a chapter on "Basic Chemistry" (see Chapter 3) and adjusted some terms in the chapter on "Chemical Analysis" in the 2003 edition to this chapter In addition, “matrix” (see 3.3), “certified reference material” (see 3.6.3), “reference reagent” (see 3.6.4), and “electrochemical separation” are added.

analysis", "spectral analysis", "chromatographic analysis", "mass spectrometry", "nuclear magnetic resonance spectroscopy", "thermal analysis", "structural analysis" (see 3.27~3.32, 3.37) terms and definitions; changed "chemical reagents" (see 3.4, 2003 edition 2.3.1), "constant analysis" (see 3.34.1, 2.2.5) Definition of terms in the 2003 edition;

c) Added a chapter on “Sampling and Pretreatment” (see Chapter 4), and adjusted some terms in the chapter on “Chemical Analysis” of the 2003 edition to this chapter In addition, "sampling scheme", "sampling plan", "sampling system", "simple random sampling", "stratified sampling", "multi-stage sampling" and " Sampling", "systematic sampling", "cluster sampling", "unit product", "batch", "batch", "sample", "sample size", "reduction", "reduction Samples” (see 4.2~4.16), “Counting inspection”, “Factory inspection”, “Type inspection”, “Re-inspection”, “Re-test”, “Re-examination”, “Sample pre-treatment” "dissolution", "dilution", "digestion", "wet digestion", "dry digestion", "microwave digestion" (see 4.18~4.27.3), "ionization "Microfiltration", "Leaching", "Derivatization", "Enrichment", "Extraction", "Preconcentration (extraction)", "Extractive distillation", "Soxhlet extraction [method]", "microwave assisted extraction [method]", "ultrasound assisted extraction [method]", "supercritical fluid extraction [method]", "pressurized liquid extraction extraction method", "countercurrent extraction method", "solid phase extraction method", "solid phase microextraction method", "membrane extraction method", "purge and trap [Method]” (see 4.33~4.50) terms and definitions; the definition of the term “sampling” (see 4.1, 2.1.1 of the 2003 edition) was changed;

d) In Chapter 5, Chemical Analysis, "Free Acid" (see 5.1.17), "Free Base" (see 5.1.19), "Bromine Index" (see 5.1.24), "Hydroxy value" (see 5.1.26), "Heating loss" (see 5.1.27), "Ignition loss" (see 5.1.28), "Arsenic spot method" (see 5.2.8), "Steaming method" (see 5.1.29), "Heating loss" (see 5.1.21), "Heating loss" (see 5.1.23), "Heating loss" (see 5.1.24), " distillation test" (see 5.2.10), "standard titration solution" (see 5.3.1), "color developer" (see 5.3.7), "extractant" (see 5.3.8), " "indicator" (see 5.3.9.5), "flask" (see 5.4.7), "test tube" (see 5.4.8), "colorimetric tube" (see 5.4.9), "pipette" (see 5.4.12), "funnel" (see 5.4.13), "separating funnel" (see 5.4.13.1), "Gooch crucible" (see 5.4.16), "filter membrane" (see 5.4.20) Terms and definitions;

e) In Chapter 5 Chemical Analysis, the following terms were changed. "melting value" (see 5.1.11, 2.1.18 of the 2003 edition), "ester value" (see 5.1.22, 2.1.46 of the 2003 edition), “potassium dichromate titration [method]” (see 5.2.3.2, 2.2.20.2 of the 2003 edition), “non-aqueous titration [method]” (see 5.2.5, 2.2.22 of the 2003 edition), "stock solution" (see 5.3.2, 2.3.5 of the 2003 edition), "analytical balance" (see 5.4.1, 2.4.1 of the 2003 edition), “weight” (see 5.4.2, 2.4.2 of the 2003 edition) definition of term;

f) In Chapter 5, Chemical Analysis, the terms “chemical metric point”, “semi-micro analysis”, “micro analysis”, “ultra-micro analysis” and “trace analysis” have been deleted.

Analysis", "Ultra-trace analysis", "Dry method", "Wet method", "Gas analysis", "Pipe blow test" (see 2003 edition 2.1.24, 2.2.6~ 2.2.12, 2.2.18, 2.2.28) Terms and definitions;

g) In Chapter 6, Electrochemical Analysis, "Electrolyte" (see 6.1.2), "Electroactive Substances" (see 6.1.4), "Interface" (see 6.1.5), "Double layer", "diffusion", "electromigration", "electrodialysis" (see 6.1.10 to 6.1.13), "current-potential curve" (see 6.1.15), "safety "amperometric method" (see 6.2.1), "chronoamperometric method" (see 6.2.1.2), "constant potential amperometric titration" (see 6.2.1.3), "potential method" (see 6.2.2), "Chronopotentiometry" (see 6.2.2.2), "Conductivity method" (see 6.2.3), "Chronocoulometry" (see 6.2.4.3), "Electrolysis method" (see 6.2.5), "Cyclic voltammetry", "Stripping voltammetry" (see 6.2.8.1, 6.2.8.2), "Adsorption stripping voltammetry" (see 6.2.8.5), "Electrodeposition voltammetry" Chemical impedance spectroscopy" (see 6.2.12), "electrochemical cell" (see 6.3.1), "galvanic cell" (see 6.3.2), "three-electrode cell" (see 6.3.4), "Anode" (see 6.3.7), "Cathode" (see 6.3.8), "Working Electrode" (see 6.3.12), "Auxiliary Electrode" (see 6.3.13), "Metallic Electrode" (see 6.3.14), "electrode" (see 6.3.18), "carbon electrode", "glassy carbon electrode", "carbon fiber electrode", "composite electrode", "combined (composite) electrode", "microelectrode "electrode", "nanoelectrode", "enzyme electrode", "chemically modified electrode", "electrochemical biosensor" (see 6.3.19, 6.3.19.1, 6.3.19.3, 6.3.20~6.3.26), “Electron Transfer Number” (see 6.4.1), “Apparent Electron Transfer Number” (see 6.4.4, 6.4.5), "limiting diffusion current" (see 6.4.16), "double-layer charging current", "instantaneous current", "square wave current", "electrode potential", "Standard electrode potential", "Applied potential" (see 6.4.18 to 6.4.23), "Equilibrium [electrode] potential" (see 6.4.25), "Electrode surface potential" "Accumulation", "drip time" and "scan rate" (see 6.4.34 to 6.4.36) terms and definitions;

h) In Chapter 6, Electrochemical Analysis, the terms “supporting electrolyte” (see 6.1.3, 3.4.3 of the 2003 edition) and “base solution” (see 6.1.6, 3.4.2 of the 2003 edition), “ion mobility” (see 6.1.14, 3.1.13 of the 2003 edition), “amperometric titration [method]” (see 6.2.1.1, 3.2.1 of the 2003 edition, “amperometric titration”), “coulometric method” (see 6.2.4, 3.2.5 of the 2003 edition), “coulometric titration” "Controlled Potential Coulometry" (see 6.2.4.1, 3.2.5.1 of the 2003 edition), "Cathode Coulometry" (see 6.2.4.2, 3.2.5.1.1 of the 2003 edition), "Cathode Stripping Voltammetry" (see 6.2.8.3, 3.2.10.1 of the 2003 edition), "Cathode Stripping Voltammetry" (see 6.2.8.4, 2003 edition) 3.2.10.2), "Permanent stop titration [method]" (see 6.2.9, 3.2.3 "Permanent stop endpoint [method]" of the 2003 edition), "Electrolytic cell" (see 6.3.3, 3.3.5 of the 2003 edition), “conductivity cell” (see 6.3.5, 3.3.6 of the 2003 edition), “polarizable electrode” (see 6.3.9, 3.3.7.1 “Polarizable Electrodes” of the 2003 Edition), “Non-Polarizable Electrodes” (see 6.3.10, 3.3.7.2 “Depolarizable Electrodes” of the 2003 Edition) "Indicator electrode" (see 6.3.11, 3.3.9 of the 2003 edition), "Reference electrode" (see 6.3.14, 3.3.8 of the 2003 edition), "Standard hydrogen electrode" (see 6.3.15, 3.3.9.1.1 of the 2003 edition), "glass electrode" (see 6.3.17.1, 3.3.9.2.1), “Highly oriented pyrolytic graphite electrodes” (see 6.3.19.2, 3.3.9.8 “pyrolytic graphite electrodes” of the 2003 edition), “conductivity "Conductivity meter" (see 6.3.27, 3.3.2 of the 2003 edition "Conductivity meter"), "Polargraph" (see 6.3.30, 3.3.4 of the 2003 edition), "Cathode "Current" (see 6.4.8, 3.4.9 of the 2003 edition), "Anode current" (see 6.4.9, 3.4.10 of the 2003 edition), "Power current" (see 6.4.11, 3.4.12 of the 2003 edition), "peak current" (see 6.4.13, 3.4.14 of the 2003 edition), "limiting current" (see 6.4.14, 3.4.15 of the 2003 edition), "diffusion current" (see 6.4.15, 3.4.16 of the 2003 edition), "residual current" (see 6.4.17, 3.4.17 of the 2003 edition), "overpotential" (see 6.4.24, 3.1.6 "overvoltage" of the 2003 edition), "decomposition potential" (see 6.4.26, 3.1.7 “Decomposition voltage” of the 2003 edition), “Peak potential” (see 6.4.30, 3.4.20 of the 2003 edition), “Irreversible polarity” Spectral wave” (see 6.4.32.1, 3.4.18.1 “irreversible wave” of the 2003 edition), “reversible polarographic wave” (see 6.4.32.2, 3.4.18.2 “Reversible wave”), “Polarographic catalytic wave” (see 6.4.32.3, 3.4.18.3 “Catalytic wave” of the 2003 edition), “Isoelectric point” (see 6.4.33, 3.4.22 of the 2003 edition), “diffusion current constant” (see 6.4.37, 3.4.24 of the 2003 edition) definition of terms;

i) In Chapter 6, Electrochemical Analysis, the terms “depolarizer”, “[ultra]microelectrode”, “Nernst equation”, “half-wave potential”, “Euclidean potential” were deleted.

"Viche equation" (see 3.4.4, 3.3.9.9, 3.4.7, 3.4.19, 3.4.23 of the 2003 edition) terms and definitions;

j) In Chapter 7, Spectral Analysis, the following sections were added. “Excited states” (see 7.1.5), “Electronic transitions” (see 7.1.7), “Plasma”, “Hydride emission” "Fluorescence quenching" (see 7.1.22~7.1.24), "absorption spectroscopy" (see 7.2.5), "ultraviolet-visible absorption spectroscopy" (see 7.2.5.2), "atomic fluorescence spectrometer" (see 7.3.8), "inductively coupled plasma emission spectrometer", "Raman spectrometer", "dry "Involving instruments" (see 7.3.12~7.3.14), "high pressure xenon lamp", "hollow cathode lamp", "Nernst lamp", "flame atomizer", "graphite furnace atomizer", "nebulizer", "monochromator", "charge-coupled device", "inductively coupled plasma torch", "radio frequency generator" (see 7.3.16~7.3.25), "photomultiplier tube" (see 7.3.29), "solid-state detector" (see 7.3.30) terms and definitions;

k) In Chapter 7, Spectral Analysis, the following terms were changed. “[electromagnetic] radiation” (see 7.1.1, 4.1.1 of the 2003 edition), “ground state” (see 7.1.4, 4.1.4 of the 2003 edition), “energy level” (see 7.1.6, 4.1.5 of the 2003 edition), “resonance energy” (see 7.1.8, 4.1.6 of the 2003 edition), “Excitation energy” (see 7.1.9, 4.1.7 of the 2003 edition), “ionization energy” (see 7.1.10, 4.1.8 of the 2003 edition), “spectral line excitation energy” "position" (see 7.1.12, 4.1.10 of the 2003 edition), "spectral line profile" (see 7.1.13, 4.1.11 of the 2003 edition), "characteristic line" (see 7.1.14, 4.1.12 of the 2003 edition), “ion line” (see 7.1.17, 4.1.15 of the 2003 edition), “atomic emission spectrum” (see 7.1.18, 4.1.16 of the 2003 edition), “atomic absorption spectrum” (see 7.1.19, 4.1.17 of the 2003 edition), [molecular] spectral band (see 7.1.21, 4.1.20 of the 2003 edition), “passband” (see 7.1.25, 4.1.19 of the 2003 edition, “bandpass”), “repetition of wavelength positioning” "Accuracy of wavelength positioning" (see 7.1.28, 4.1.23 of the 2003 edition), "Optical "Last line of spectrum" (see 7.1.29, 4.1.24 of the 2003 edition), "Isoabsorptive point" (see 7.1.32, 4.1.27 of the 2003 edition), "Resolution point" (see 7.1.33, 4.1.27 of the 2003 edition), rate" (see 7.1.35, 4.1.30 of the 2003 edition), "dispersion force" (see 7.1.37, 4.1.32 of the 2003 edition), "linear dispersion rate" (see 7.1.38, 4.1.33 of the 2003 edition), "Stray radiation" (see 7.1.39, 4.1.34 of the 2003 edition), "Stray radiation rate" (see 7.1.39.1, 4.1.34.1 of the 2003 edition), “Self-corrosion” (see 7.1.41, 4.1.36 of the 2003 edition), “Turbidimetric method” (see 7.2.2, 4.2.2 of the 2003 edition), “turbidimetric method” (see 7.2.3, 4.2.3 of the 2003 edition), “X-ray fluorescence spectrometry” (see 7.2.4.3, 4.2.12 of the 2003 edition), “Fluorescence spectroscopy” (see 7.2.4.5, 4.2.8 “Fluorescence analysis” of the 2003 edition), “Phosphorescence Spectrometry" (see 7.2.4.6, 4.2.7 "Phosphorescence analysis" of the 2003 edition), "Atomic absorption spectrometry" (see 7.2.5.1, 2003 edition 4.2.5 "Atomic absorption spectrophotometry"), "Infrared absorption spectroscopy" (see 7.2.5.3, 4.2.10 of the 2003 edition), "X-ray Absorption spectroscopy" (see 7.2.5.4, 4.2.13 of the 2003 edition), "Raman spectroscopy" (see 7.2.6, 4.2.11 of the 2003 edition), "X-ray diffraction" (see 7.2.7, 4.2.14 of the 2003 edition), "atomic absorption spectrometer" (see 7.3.3, 4.3.3 “Atomic absorption spectrophotometer”), “Spectrophotometer” (see 7.3.4, 4.3.4 of the 2003 edition), “Fourier transform infrared Spectrometer" (see 7.3.5, 4.3.5 "Fourier transform infrared spectrometer" of the 2003 edition), "fluorescence spectrophotometer" (see 7.3.7, 4.3.6.1 of the 2003 edition, “spectrofluorimeter”), “X-ray fluorescence spectrometer” (see 7.3.9, 4.3.7 of the 2003 edition, "X-ray fluorescence spectrometer"), "flame photometer" (see 7.3.11, 4.3.9 of the 2003 edition), "radiation source" (see 7.3.15, 4.3.10 of the 2003 edition), "absorption filter" (see 7.3.26.1.1, 4.3.11.1.1 of the 2003 edition), "absorption cell" (see 7.3.27, 4.3.12 of the 2003 edition), “absorbance” (see 7.4.7, 4.4.7 of the 2003 edition) definition of terms;

l) In Chapter 8, “Baseline (Chromatography)”, “Baseline Drift”, “Baseline Noise”, “Aging” and “Column Loss” were added to the Chromatographic Analysis section (see 8.1.6~8.1.10), "Headspace gas chromatography" (see 8.2.3.4), "Purge and trap gas chromatography" (see 8.2.3.5), "Normal phase liquid chromatography" Phase chromatography" (see 8.2.4.3), "Gel filtration chromatography", "Gel permeation chromatography" (see 8.2.4.6.1, 8.2.4.6.2), "Ion Exchange chromatography", "displacement chromatography", "hydrophilic interaction chromatography", "hydrophobic interaction chromatography" (see 8.2.4.9 to 8.2.4.12), "Ultra-high performance liquid chromatography" (see 8.2.4.15), "gas chromatograph", "liquid chromatograph", "gel permeation chromatography", "ion chromatography" Chromatograph, "supercritical fluid chromatograph", "thin layer chromatograph" (see 8.3.1.1 to 8.3.1.6), "vaporization chamber" (see 8.3.2), " flow detector" (see 8.3.3), "nitrogen phosphorus detector", "photoionization detector", "helium ionization detector", "fluorescence detector" (see 8.3.6.5 to 8.3.6.8), “photodiode array detector”, “[laser] light scattering detector”, “evaporative light scattering detector”, "Mass spectrometer" (see 8.3.6.10 to 8.3.6.13), "charged aerosol detector" (see 8.3.6.17), "hollow column" (see 8.3.8.3), "Liquid chromatography monolithic column" (see 8.3.9), "[mobile phase] flow rate" (see 8.4.1), "retention time", "[total] retention time", "adjustment Adjusted retention time", "Retention volume", "[Total] retention volume", "Adjusted retention volume", "Relative retention value", "Response value", "Sensitivity degree (chromatography)", "column efficiency", "linear range", "correction factor", "asymmetry factor", "tailing factor", "partition coefficient", "Resolution", "gradient elution" and "programmed temperature" (see 8.4.3 to 8.4.20) terms and definitions;

m) In Chapter 8 Chromatographic Analysis, the terms "carrier" (see 8.1.1.1, 5.1.2 of the 2003 edition), "stationary phase" (see 8.1.1.2, 5.1.1.1 of the 2003 edition), “adsorbents” (see 8.1.1.3, 5.1.1.2 of the 2003 edition), “ion exchangers” (see 8.1.1.6 of the 2003 edition) 5.1.1.5 of the 2003 edition), “eluent” (see 8.1.2.1, 5.4.4 of the 2003 edition), “modifier” (see 8.1.2.3, 5.4.6 of the 2003 edition) "tailing agent"), "chromatogram" (see 8.1.11, 5.1.8 of the 2003 edition), "[chromatographic] peak" (see 8.1.12, 5.1.9), "Adsorption chromatography" (see 8.2.1, 5.2.1.1 of the 2003 edition), "Partition chromatography" (see 8.2.2, 5.2.1.2), "High Performance Liquid Chromatography" (see 8.2.4.5, 5.2.1.4.4 of the 2003 edition), "Size Exclusion Chromatography" (see 8.2.4.6, 5.2.1.4.5 “Size Exclusion Chromatography” of the 2003 Edition), “Ion Chromatography” (see 8.2.4.8, 2003 Edition) 5.2.1.4.8), “capillary micellar electrokinetic chromatography” (see 8.2.4.17, 5.2.1.6 of the 2003 edition), “high voltage electrophoresis” (see 8.2.5.2.3, 5.2.2.2.3 of the 2003 edition), "Cracker" (see 8.3.5, 5.3.3 of the 2003 edition), "[Differential] Refractive Index Detector "Apparatus" (see 8.3.6.14, 5.3.4.6 of the 2003 edition), "Split ratio" (see 8.4.2, 5.4.8 of the 2003 edition), "Chromatograph" (see 8.3.1, 5.3.1 of the 2003 edition), “UV-visible detector” (see 8.3.6.9, 5.3.4.5 of the 2003 edition) definition of terms;

n) In Chapter 8, “chromatographic analysis”, the terms “internal standard substance”, “fingerprint chromatogram”, “spot”, “silanization”, “chromatography”, “pseudo-phase liquid phase” were deleted.

Chromatography", "Gorlay equation", "Van Deemter equation", "mass transfer resistance", "longitudinal diffusion", "eddy diffusion", "molecular diffusion dispersion, "permeability" (see 5.1.6, 5.1.8.1, 5.1.14, 5.4.7, 5.2.1, 5.2.1.4.6, 5.4.1, 5.4.2, 5.4.2.1, 5.4.2.2, 5.4.2.2.1, 5.4.2.2.2, 5.4.3) Terms and definitions;

o) In Chapter 9, mass spectrometry analysis, the following sections were added. “Mass accuracy” (see 9.1.7), “Pulse delay extraction”, “Mass repeatability”, “Mass accuracy” "quality", "mass stability", "ion abundance", "relative ion abundance", "rearranged ions", "odd electron ions", "even electron ions", "Multiply charged ions", "Isotope ions", "Sensitivity (mass spectrometry)", "Signal-to-noise ratio", "Total ion current chromatogram", "Extracted ion chromatogram" Figure" (see 9.1.23~9.1.37), "Tandem mass spectrometry" (see 9.2.1), "Atmospheric pressure chemical ionization" (see 9.2.21), "Triple quadrupole GC-MS” (see 9.3.1.8), “Triple quadrupole LC-MS” (see 9.3.1.9), “Electrostatic field orbital trap mass spectrometer”, “Fan Magnetic field mass spectrometer", "isotope mass spectrometer", "inductively coupled plasma mass spectrometer" (see 9.3.1.13~9.3.1.16), "matrix Laser desorption time-of-flight mass spectrometer (see 9.3.1.18), "ion mobility mass spectrometer" (see 9.3.2), "collision gas", "drying "Gas", "Full Scan", "Selected Ion Monitoring", "Daughter Ion Scan", "Precursor Ion Scan", "Neutral Loss Scan", "Multiple Reaction Monitoring measurement", "corona discharge", "matrix effect", "nitrogen rule", "Rayleigh limit", "space tandem mass spectrometry", "time tandem mass spectrometry", "alpha- "beta-cleavage" and "beta-cleavage" (see 9.4.6 to 9.4.21) terms and definitions;

p) In Chapter 9, Mass Spectrometry, the following terms were changed. "Mass Range" (see 9.1.6, 6.1.6 of the 2003 edition), "Matrix Assisted Laser Desorption Ionization" (See 9.2.19, 6.2.20 of the 2003 edition) Definition of terms;

q) Chapter 10 Nuclear Magnetic Resonance Spectroscopy Analysis adds "magnetic field strength", "locking field", "tuning", "matching", "uniform field", "spin system", "Spin decoupling", "Fourier transform", "magic angle rotation", "chemical equivalence", "magnetic equivalence" (see 10.1.21~10.1.31), "one-dimensional Spectroscopy" (10.2.2), "Heteronuclear Resonance", "High Power Decoupling", "Broadband Decoupling" (see 10.2.6~10.2.8), "Superconducting Magnets", "Exploration head", "pulsed gradient field", "radio frequency unit", "control and data processing system", "compressed gas and gas circuit system" (see 10.3.1.1~10.3.1.6), "pulse" (see 10.4.12), "pulse flip angle" (see 10.4.13) terms and definitions;

r) In Chapter 10 Nuclear Magnetic Resonance Spectroscopy, the following terms were changed. "Nuclear magnetic moment" (see 10.1.1, 7.1.1 of the 2003 edition), "precession" (see 10.1.4, 7.1.4 of the 2003 edition), "primary spectrum" (see 10.1.8, 7.1.10 of the 2003 edition), "secondary spectrum" (see 10.1.9, 7.1.11 of the 2003 edition), “Nuclear Overhauser Effect” (see 10.1.20, 7.1.22 of the 2003 edition), “Two-Dimensional Spectroscopy” (see 10.2.3, 7.2.2 of the 2003 edition), "sampling time" (see 10.4.7, 7.4.7 of the 2003 edition, "data collection time"), "residence time" (See 10.4.8, 7.4.8 “Sampling time” of the 2003 edition) Definition of terms;

s) In Chapter 10, Nuclear Magnetic Resonance Spectroscopy, the terms "internal lock", "external lock", "internal standard" and "external standard" have been deleted (see 7.1.8, 2003 edition).

7.1.9, 7.1.14.1, 7.1.14.2) Terms and definitions;

t) Added a chapter on "Thermal Analysis" (see Chapter 11), added "Programmed Temperature Control", "Glass Transition", "Glass Transition Temperature", "Thermal Enthalpy Relaxation", "Crystallization", "Crystallization enthalpy", "Melt", "Melting enthalpy", "Phase", "Phase change temperature", "Phase change enthalpy", "Specific heat capacity", "Self-heating", "Reaction heat", "starting temperature", "end temperature", "ideal adiabatic temperature rise", "measured adiabatic temperature rise", "thermal inertia factor", "thermal runaway reaction response", "maximum reaction rate arrival time", "maximum reaction rate arrival time under adiabatic conditions", "endothermic effect", "exothermic effect "Linear expansion coefficient", "average linear expansion coefficient", "hybrid technology" (see 11.1.1~11.1.27), "thermogravimetry", "differential thermal analysis Differential Scanning Calorimetry, Power Compensated Differential Scanning Calorimetry, Heat Flow Differential Scanning Calorimetry, Thermomechanical Analysis analysis", "dynamic (thermo) mechanical analysis" (see 11.2.1 to 11.2.7), "thermal balance", "differential thermal analyzer", "differential scanning calorimeter", "Power Compensation Differential Scanning Calorimeter", "Heat Flux Differential Scanning Calorimeter", "Thermomechanical Analyzer", "Dynamic Thermomechanical Analyzer" Analyzer", "adiabatic calorimeter", "adiabatic accelerating calorimeter", "synchronous thermal analyzer" (see 11.3.1~11.3.10), "baseline" (see 11.4.1), "Instrument baseline", "Sample baseline", "Quasi-baseline" (see 11.4.1.1 to 11.4.1.3), "Drift", "Adiabatic condition", "Absolute Thermal temperature rise", "thermal conductivity", "peak" (see 11.4.2~11.4.6), "endothermic peak", "exothermic peak", "peak height", "peak width", "peak area" (see 11.4.6.1~11.4.6.5), "peak temperature", "extrapolated starting temperature", "thermal analysis curve" (see 11.4.7~11.4.9), "thermal Weight curve", "differential thermal analysis curve", "differential scanning calorimetry curve", "dynamic thermomechanical analysis curve", "derivative curve" (see 11.4.9.1~11.4.9.5), “heat flow rate” (see 11.4.10), “oxidation induction period” (see 11.4.11) terms and definitions;

u) In Chapter 12, Data Processing, the following sections were added. “Correction” (see 12.3), “Measurement Offset” (see 12.4), “Range” (see 12.6), “Repeatability” critical range” (see 12.7), “addition of spikes” (see 12.11), “recovery” (see 12.13), “accuracy” (see 12.14), “standard [test "Type A evaluation of [measurement uncertainty]", "Type B evaluation of [measurement uncertainty]", "Synthetic standard [measurement [Measurement] uncertainty", "Relative standard [measurement] uncertainty", "Expanded [measurement] uncertainty" (see 12.16~12.21), "Repeat "Reproducibility conditions", "detection limit", "method detection limit", "instrument detection limit", "sensitivity", "quantitative limit", "selectivity", "linearity", "robustness", "validation", "confirmation", "inter-laboratory comparison", "intra-laboratory comparison" (see 12.26~12.38) Terms and definitions;

v) In Chapter 12 Data Processing, the following terms were changed. "Accuracy" (see 12.12, 8.4 of the 2003 edition), "Precision" (see 12.22, 8.6 of this edition) Definition of terms;

w) In Chapter 12, Data Processing, the terms “true value of a quantity”, “measurement error”, “absolute error”, “relative error”, and “random error” were deleted.

error", "systematic error", "method error", "instrument error", "operation error", "significance test", "factor analysis", "chemical model Pattern Recognition", "Artificial Intelligence", "Optimization and Experimental Design", "Analytical Signal Processing" (see 8.1, 8.9, 8.9.1~ of the 2003 edition) 8.9.7, 8.11, 8.13~8.17) Terms and definitions.

Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.

This document was proposed by the China Petroleum and Chemical Industry Federation.

This document is under the jurisdiction of the National Technical Committee on Chemical Standardization (SAC/TC63).

This document was drafted by: Zhejiang Chemical Product Quality Inspection Station Co., Ltd., CNOOC Tianjin Chemical Research and Design Institute Co., Ltd., Shanghai Chemical Industry Research Institute Testing Co., Ltd., Shandong Product Quality Inspection Institute, China Inspection and Quarantine (Tianjin) Testing Co., Ltd., China Institute of Metrology, Beijing Sinochem United Certification Co., Ltd., Ningbo Zhongqin Testing Technology Co., Ltd., China Pingmei Shenma Group Nylon TECHNOLOGY LIMITED.

The main drafters of this document are: Fang Lu, Sun Hai, Hao Yuan, Feng Yujie, Pang Wenfei, Guo Yongxin, Tian Yewei, Zhang Juan, Chen Huiming, Sun Weiping, Fang Wenjie, Wang Gaosheng, Yu Feng, Yang Yi, Quan Can, Li Lin, Zhou Lili, Sun Wendan, Wang Xin, Ye Jiamei, and Wang Longxin.

This document was first issued in 1993, revised for the first time in 2003, and this is the second revision.

Analytical Chemistry Terminology

1 Scope

This document defines basic chemistry, sampling and pretreatment, chemical analysis, electrochemical analysis, spectral analysis, chromatography, mass spectrometry, Terms and definitions for spectral analysis, nuclear magnetic resonance spectroscopy, thermal analysis, and data processing.

This document is applicable to the compilation and application of analytical chemistry standards, technical documents, books and periodicals.

2 Normative references

This document has no normative references.

3 Basic Chemistry