GB/T 29612-2013Carbon black - Determination of cadmium, lead, mercury content (English PDF)
炭黑中镉、铅、汞含量的测定
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
July 19, 2013
Implementation date
December 1, 2013
Scope
GB/T 29612-2013 is the English-translated version of 炭黑中镉、铅、汞含量的测定.
GB/T 29612-2013 is the Chinese standard "Carbon black - Determination of cadmium, lead, mercury content".
Its scope clause reads: This standard specifies the method using an atomic absorption spectrophotometer (A method), plasma emission spectrometry method (B method) (Arbitration Law), X fluorescence spectrometry Meter method (C method), carbon black, cadmium (Cd), lead (Pb), Test Method for mercury (Hg) Determination.
This standard applies to carbon black. Its clauses include sampling; instrument; atomic absorption spectrophotometer (a method).
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Document preview — GB/T 29612-2013
National Standard of the People's Republic of China
- ICS
- 83.040.20
- Classification
- G 49
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Sampling
- 4 Instrument
- 5 atomic absorption spectrophotometer (A method)
1 Scope
This standard specifies the method using an atomic absorption spectrophotometer (A method), plasma emission spectrometry method (B method) (Arbitration Law), X fluorescence spectrometry
Meter method (C method), carbon black, cadmium (Cd), lead (Pb), Test Method for mercury (Hg) Determination.
This standard applies to carbon black.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB 3778 carbon black for rubber
GB/T 3780.8 black - Part 8. Determination of loss on heating
Part 10 GB/T 3780.10 Carbon black. Determination of ash
Laboratory use specifications and test methods GB/T 6682 Analysis
GB 6819 acetylene
GB/T 12808 Laboratory glassware single marking pipette
3 Sampling
Carbon black according to the provisions of GB 3778 sampled.
4 Instrument
Conventional laboratory equipment and less equipment.
4.1
platinum crucible volume of about 35cm3.
4.2
Atomic absorption spectrophotometer equipped with an air/acetylene gas burner and cadmium, lead, mercury hollow cathode lamp.
4.3
plasma emission spectrometer.
4.4
X-ray fluorescence spectrometer.
4.5
Analytical balance with an accuracy of 0.1mg.
4.6
beaker with a volume of 100cm3.
4.7
flask, volume 100cm3,500cm3,1000cm3.
4.8
Single-marking pipette, capacity 1cm3,5cm3,10cm3,20cm3, should be consistent with GB/T 12808 in Class A requirements.
5 atomic absorption spectrophotometer (A method)
5.1 Test Method
After sample ashing, the residue was dissolved with hydrochloric acid, diluted inhaled flame atomic absorption spectrophotometer, respectively […]
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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
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