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GB/T 33909-2017Methods for chemical analysis of platinum - Determination of palladium, rhodium, iridium, ruthenium, gold, silver, aluminium, bismuth, chromium, copper, iron, nickel, lead, magnesium, manganese, tin, zinc, silicon content - Inductively coupled plasma mass spectrometry (English PDF)

纯铂化学分析方法 钯、铑、铱、钌、金、银、铝、铋、铬、铜、铁、镍、铅、镁、锰、锡、锌、硅量的测定 电感耦合等离子体质谱法

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

July 12, 2017

Implementation date

May 1, 2018

Scope

GB/T 33909-2017 is the English-translated version of 纯铂化学分析方法 钯、铑、铱、钌、金、银、铝、铋、铬、铜、铁、镍、铅、镁、锰、锡、锌、硅量的测定 电感耦合等离子体质谱法.

GB/T 33909-2017 is the Chinese standard "Methods for chemical analysis of platinum - Determination of palladium, rhodium, iridium, ruthenium, gold, silver, aluminium, bismuth, chromium, copper, iron, nickel, lead, magnesium, manganese, tin, zinc, silicon content - Inductively coupled plasma mass spectrometry".

Its scope clause reads: This standard specifies the method for the determination of the amount of palladium, rhodium, iridium, ruthenium, ruthenium, silver, silver, aluminum, bismuth, chromium, copper, iron, nickel, lead, magnesium, manganese, tin, zinc and silicon.

This standard is applicable to the determination of palladium, rhodium, iridium, ruthenium, ruthenium, silver, aluminum, bismuth, chromium, copper, iron, nickel, lead, magnesium, manganese, tin, zinc and silicon in pure platinum.

Each element The range of determination is shown in Table 1.

Table 1 Determination of each element Element determination range /% element determination range /% Pd 0.000020 to 0.0040 Cu 0.000020 to 0.0040 Rh 0.000020 to 0.0040 Fe 0.000020 to 0.0040 Ir 0.000020 to 0.0040 Ni 0.000020 to 0.0040 Ru 0.000020 ~ 0.0040 Pb 0.000020 ~ 0.0040 Au 0.000050 to 0.0040 Mg 0.000050 to 0.0040 Ag 0.000020 to 0.0040 Mn 0.000020 to 0.0040 Al 0.000050 to 0.0040 Sn 0.000020 to 0.0040 Bi 0.000020 to 0.0040 Zn 0.000050 to 0.0040 Cr 0.000020 to 0.0040 Si 0.00050 to 0.0040. Its clauses include principle of the method; reagent.

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Document preview — GB/T 33909-2017

National Standard of the People's Republic of China

ICS
77.120.99
Classification
Y 68

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Contents

  • Foreword
  • 1 Scope
  • 2 principle of the method

1 Scope

This standard specifies the method for the determination of the amount of palladium, rhodium, iridium, ruthenium, ruthenium, silver, silver, aluminum, bismuth, chromium, copper, iron, nickel, lead, magnesium, manganese, tin, zinc and silicon.

This standard is applicable to the determination of palladium, rhodium, iridium, ruthenium, ruthenium, silver, aluminum, bismuth, chromium, copper, iron, nickel, lead, magnesium, manganese, tin, zinc and silicon in pure platinum. Each element

The range of determination is shown in Table 1.

Table 1 Determination of each element

Element determination range /% element determination range /%

Pd 0.000020 to 0.0040 Cu 0.000020 to 0.0040

Rh 0.000020 to 0.0040 Fe 0.000020 to 0.0040

Ir 0.000020 to 0.0040 Ni 0.000020 to 0.0040

Ru 0.000020 ~ 0.0040 Pb 0.000020 ~ 0.0040

Au 0.000050 to 0.0040 Mg 0.000050 to 0.0040

Ag 0.000020 to 0.0040 Mn 0.000020 to 0.0040

Al 0.000050 to 0.0040 Sn 0.000020 to 0.0040

Bi 0.000020 to 0.0040 Zn 0.000050 to 0.0040

Cr 0.000020 to 0.0040 Si 0.00050 to 0.0040

2 principle of the method

The samples were dissolved in hydrochloric acid-nitric acid, and the signal intensity of isotope was measured in the reaction cell working mode.

Rhodium, ruthenium, silver, aluminum, bismuth, copper, nickel, lead, magnesium, manganese and zinc to yttrium as internal standard, and the signal intensity of isotope was measured under normal working mode.

The signal intensity of isotope was determined under the normal working mode with indium as the internal standard. The gold was treated with rhenium as the internal standard, and under the reaction cell model and equivalent deduction

Determine the signal strength of its isotopes.

3 reagent

Unless otherwise stated, only reagents identified as excellent grade and primary water with resistivity >=18.2Mohm · cm-1 are used; standard solution, reagent

The solution is stored in a plastic bottle.

3.1

potassium hydroxide, excellent grade pure.

3.2

nitric acid (rho = 1.42g/mL), MOS grade.

3.3

hydrochloric acid (rho = 1.19g/mL), MOS grade.

......
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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