GB/T 1871.5-2022Determination of magnesium oxide content for phosphate rock and concentrate—Flame atomic absorption spectrometry, volumetry and inductively coupled plasma optical emission spectrometry (English PDF)
磷矿石和磷精矿中氧化镁含量的测定 火焰原子吸收光谱法、容量法和电感耦合等离子体发射光谱法
This is a limited preview
Buy now to download the full PDF (15 pages)
Need quotation for your management?
Get a formal quotation for GB/T 1871.5-2022 in 30 minutes.
Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
October 14, 2022
Implementation date
February 1, 2023
Scope
GB/T 1871.5-2022 is the English-translated version of 磷矿石和磷精矿中氧化镁含量的测定 火焰原子吸收光谱法、容量法和电感耦合等离子体发射光谱法.
GB/T 1871.5-2022 is the Chinese standard "Determination of magnesium oxide content for phosphate rock and concentrate—Flame atomic absorption spectrometry, volumetry and inductively coupled plasma optical emission spectrometry".
Its scope clause reads: This document describes flame atomic absorption spectrometry, volumetric methods and inductive coupling for the determination of magnesium oxide content in phosphate rock and phosphate concentrate.
Ion emission spectrometry. This document applies to the determination of magnesium oxide content in phosphate rock and phosphate concentrate products. The measurement range of each method in this document is shown in Table 1.
Table 1 Measurement range of each method method Measurement range (mass fraction) Flame Atomic Absorption Spectrometry 0.1~6 Volumetric method >0.5 Inductively coupled plasma emission spectrometry 0.1~15. Its clauses include terms and definitions.
Found what you need?
Document preview — GB/T 1871.5-2022
National Standard of the People's Republic of China
- ICS
- 73.080
- Classification
- D 51
- Replacing
- GB/T 1871.5-1995
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Preface
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 4 General rule
- 5 Sample
- 6 Method 1 Flame Atomic Absorption Spectroscopy (AAS)
- 6.1 Principle
- 6.2 Reagents or materials
- 6.3 Instrumentation
- 6.4 Test Step
- 6.5 Experimental data processing
- 6.6 Precision
- 7 Method 2 Precipitation separation-EDTA volumetric method
- 7.1 Principle
- 7.2 Reagents or materials
- 7.3 Test Step
- 7.4 Experimental data processing
- 7.5 Precision
- 8 Method 3 Inductively Coupled Plasma Optical Emission Spectroscopy (ICP-OES)
- 8.1 Principle
- 8.2 Reagents or materials
- 8.3 Instrumentation
- 8.4 Test Step
- 8.5 Experimental data processing
- 8.6 Precision
- 9 Test report
- Appendix A (Informative) Working Conditions of Inductively Coupled Plasma Emission Spectrometer
1 Scope
This document describes flame atomic absorption spectrometry, volumetric methods and inductive coupling for the determination of magnesium oxide content in phosphate rock and phosphate concentrate.
Ion emission spectrometry.
This document applies to the determination of magnesium oxide content in phosphate rock and phosphate concentrate products. The measurement range of each method in this document is shown in Table 1.
Table 1 Measurement range of each method method
Measurement range (mass fraction)
Flame Atomic Absorption Spectrometry 0.1~6
Volumetric method >0.5
Inductively coupled plasma emission spectrometry 0.1~15
2 Normative references
The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document.
Preparation of GB/T 601 Standard Titration Solutions for Chemical Reagents
GB/T 602 Preparation of standard solutions for the determination of impurities in chemical reagents
Preparation of preparations and products used in GB/T 603 chemical reagent test methods
GB/T 1868 Phosphate rock and phosphate concentrate sampling and sample preparation method
GB/T 1871.1-1995 Determination of phosphorus pentoxide content in phosphate rock and phosphate concentrate gravimetric and volumetric methods of quinoline phosphomolybdate
GB/T 6003.1 Technical requirements and inspection of test sieves - Part 1.Wire woven mesh test sieves
GB/T 6682 Analysis Laboratory Water Specifications and Test Methods
GB/T 8170 Numerical Rounding Rules and Representation and Judgment of Limit Values
GB/T 9723 General Rules for Flame Atomic Absorption Spectrometry of Chemical Reagents
JY/T 0567 General Principles of Inductively Coupled Plasma Emission Spectroscopy Analysis Methods
3 Terms and Definitions
There are no terms and definitions that need to be defined in this document.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 601Chemical Reagent - Preparations of Standard Volumetric Solutions
- GB/T 602Chemical reagent - Preparation of standard solutions for impurity determination
- GB/T 603Chemical reagent - Preparations of reagent solutions for use in test methods
- GB/T 1868Phosphate rock and concentrate--Methods of sampling and preparing sample
- GB/T 1871.1-1995Phosphate rock and concentrate--Determination of phosphorous pentoxide content--Quinoline phosphomolybdate gravimetric and volumetric methods
- GB/T 6003.1Test sieves—Technical requirements and testing—Part 1:Test sieves of metal wire cloth
Similar standards
Editions of GB/T 1871.5
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 1871.5-2022 | Determination of magnesium oxide content for phosphate rock and concentrate—Flame atomic absorption spectrometry, volumetry and inductively coupled plasma optical emission spectrometry | current edition | Current |
| GB/T 1871.5-1995 | Determination of magnesium oxide content for phosphate rock and concentrate—Flame atomic absorption spectrometry, volumetry and inductively coupled plasma optical emission spectrometry | previous edition | Superseded |
This page sells the current edition, GB/T 1871.5-2022. Earlier editions are listed for reference only.
How to Download GB/T 1871.5-2022
- 1
Add to cart
Click "Download PDF" on this page and choose "Buy this standard". You can add more standards before checkout.
- 2
Checkout
Enter your email and billing details. Payment is processed securely by Stripe (cards or bank transfer). Prefer bank details? Request a quotation (min. order $300).
- 3
Instant delivery (0–9 sec)
Delivery is automatic: within seconds of payment you'll receive an email with a secure download link. The link stays valid for 72 hours.
- 4
Invoice included
A tax invoice is attached to the confirmation email. Need a custom invoice? Contact us.
Related Standards
GB/T 1868-1995 — Phosphate rock and concentrate--Methods of sampling and preparing sample
GB/T 18680-2002 — The transparent conductive glass withindium-tin oxide films used in liquid crystal display
GB/T 18681-2002 — Thermal spraying--Low pressure plasma spraying--Ni-Co-Cr-Al-Y-Ta alloy coating
Secure payment via Stripe
Payments accepted
GB/T 1871.5-2022
$210.00