YS/T 953.11-2014Methods for chemical analysis of fire smelting neckel substrate material. Part 11: Determination of Lead, Arsenic, Cadmium and Mercury contents. Inductively coupled plasma-mass spectrometric method (English PDF)

Foreword

YS/T 953 "pyro-metallurgical materials for chemical analysis of nickel substrate" is divided into 11 parts.

--- Part 1. Determination of the amount of nickel dimethylglyoxime spectrophotometry and dimethylglyoxime gravimetric method;

--- Part 2. Determination of the amount of silicon molybdenum blue spectrophotometric method and perchloric acid dehydration gravimetric method;

--- Part 3. Determination of phosphorus content of bismuth phosphorus molybdenum blue spectrophotometric method;

--- Part 4. Determination of chromium content ammonium ferrous sulfate titration;

--- Part 5. Determination of manganese content - Potassium periodate spectrophotometric method;

--- Part 6. Determination of cobalt content of 5-Cl-PADAB spectrophotometry and flame atomic absorption spectrometry;

--- Part 7. Determination of copper content bicyclic cyclohexanone oxalyl Spectrophotometric Method and flame atomic absorption spectrometry;

--- Part 8. Determination of iron content dichromate method;

--- Part 9. Carbon and sulfur content was measured high-frequency combustion infrared absorption method;

--- Part 10. nickel, chromium, manganese, cobalt, copper, phosphorus content - Inductively coupled plasma atomic emission spectrometry;

--- Part 11. lead, arsenic, cadmium, mercury content - Inductively Coupled Plasma Mass Spectrometry.

This section YS/T Part 11 953.

This section drafted in accordance with GB/T 1.1-2009 given rules.

The non-ferrous metal part by the National Standardization Technical Committee (SAC/TC243) centralized.

This section is responsible for drafting unit. Zhongbao Binhai Nickel Industry Co., Ltd.

This section is drafted. Tianjin People's Republic of China Exit Inspection and Quarantine.

This section involved in the drafting unit. People's Republic of China Changshu Exit Inspection and Quarantine, Beijing Nonferrous Metal Research Institute, Chinese people Republic Bayuquan Entry-Exit Inspection and Quarantine of Nantong People's Republic of China.

1 Scope

YS/T of the provisions of section 953 of the inductively coupled plasma mass spectrometry pyrometallurgical nickel substrate compound of lead, arsenic, cadmium, mercury content.

This section applies to compound of lead, arsenic, cadmium, mercury determining the amount of smelting nickel substrate Fire. Determination of the range in Table 1.

Table 1 Measuring range

Element measurement range /% Lead 0.0001 to 0.010 Arsenic 0.0001 to 0.010 Cadmium 0.0001 to 0.010 Mercury 0.0001 to 0.010

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.

Laboratory use specifications and test methods GB/T 6682 Analysis GB/T 20066 Steel and iron - Sampling and determination of the chemical composition of the sample with a sample preparation method

3 Method summary

The sample is dissolved in hydrochloric acid and nitric acid, inductively coupled plasma mass spectrometer measured directly calculate the impurity elements by working curve method quality the amount of concentration, mass fraction shows the measurement results.

4 Reagents

Unless otherwise stated, test water should comply with a water GB/T 6682 regulations.

4.1 hydrochloride (MOS level).

Nitrate 4.2 (MOS level).

4.3 nitric acid (15). with dilute nitric acid (4.2).

4.4 nitric acid (298). diluted nitric acid (4.2).

4.5 cesium, thallium, lead, arsenic, cadmium, mercury standard stock solution. a commercially available standard solution certified, mass concentration was 1000µg/mL.

4.6 Standard Solution A. Pipette respectively lead, arsenic, cadmium, mercury standard stock solution (4.5) to each 10.00mL 1000mL volumetric flask 50mL of nitric acid (4.2), dilute to the mark and mix. This solution 1mL lead, arsenic, cadmium, mercury each 10µg.