GB/T 35761-2017Determination methods of heavy metal element content in printing ink or painting of fireworks and firecracker (English PDF)
烟花爆竹用油墨（漆）中重金属含量的测试方法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 29, 2017
Implementation date
July 1, 2018
Scope
GB/T 35761-2017 is the English-translated version of 烟花爆竹用油墨（漆）中重金属含量的测试方法.
GB/T 35761-2017 is the Chinese standard "Determination methods of heavy metal element content in printing ink or painting of fireworks and firecracker". Its scope clause reads: This standard specifies the inductively coupled plasma emission spectrometry of lead, cadmium, mercury, arsenic and chromium in fireworks ink (paint).
This standard applies to fireworks with ink (paint) in the determination of lead, cadmium, mercury, arsenic, chromium. Its clauses include method summary; reagents and materials; instruments and equipment.
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Document preview — GB/T 35761-2017
National Standard of the People's Republic of China
- ICS
- 71.100.30
- Classification
- Y 88
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 method summary
- 4 Reagents and materials
- 5 instruments and equipment
1 Scope
This standard specifies the inductively coupled plasma emission spectrometry of lead, cadmium, mercury, arsenic and chromium in fireworks ink (paint).
This standard applies to fireworks with ink (paint) in the determination of lead, cadmium, mercury, arsenic, chromium.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 6682 analytical laboratory water specifications and test methods
3 method summary
For fireworks with the ink (paint) of lead, cadmium, mercury, arsenic, chromium test methods, direct use of high pressure sealed digestion tank, microwave digestion
Methods Samples were processed for the determination of lead, cadmium, mercury, arsenic and chromium in the treated sample solution using an inductively coupled plasma atomic emission spectrometer.
4 Reagents and materials
Unless otherwise specified, the reagents used in this standard are of analytical grade, the test water should be consistent with the provisions of the secondary water GB/T 6682.
4.1
Nitric acid.
4.2
Hydrochloric acid.
4.3
hydrogen peroxide.
4.4
high purity argon purity of 99.999%.
4.5
volumetric flask .25 mL, 50 mL, 100 mL,.200 mL, 500 mL, 1000 mL.
4.6
Pipette 0.5 mL, 1 mL, 10 mL.
4.7
Lead, cadmium, mercury, arsenic, chromium standard solution concentrations are 1000mg/L, and sealed refrigeration.
5 instruments and equipment
5.1 analytical balance
Accuracy 0.001g.
5.2
microwave digestion system, the instrument reference working conditions see Appendix A.
5.3
Inductively Coupled Plasma Emission Spectrometer, refer to Appendix B for the reference working conditions of the instrument.
5.4 oven
Temperature range, room temperature to 100 °C; accuracy of 1 °C.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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