SN/T 2592.6-2011Determination of organotin compounds in electrical and electronic equipment. Part 6: Inductively coupled plasma atomic emission spectrometry (English PDF)

Foreword

"Determination of electrical and electronic products of organic tin compounds" SN/T 2592 series of standards is divided into six parts.

--- Part 1. gas chromatography;

--- Part 2. Fourier transform infrared spectroscopy screening method;

--- Part 3. Inductively Coupled Plasma Mass screening;

--- Part 4. Liquid chromatography - mass spectrometry;

--- Part 5. gas chromatography - mass spectrometry;

--- Part 6. Inductively coupled plasma atomic emission spectrometry.

This section "Measurement of electrical and electronic products, organic tin compounds" SN/T 2592 series of standards Part 6.

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

This section proposed and managed by the National Certification and Accreditation Administration Committee.

This section is responsible for drafting unit. People's Republic of China Shandong Entry Inspection and Quarantine Bureau, People's Republic of China Guangdong Entry-Exit Inspection and Quarantine Bureau, People's Republic of China SZCIQ.

1 Scope

This section SN/T 2592 specifies the electrical and electronic products of organic tin by inductively coupled plasma atomic emission spectrometric method.

This section applies to the determination of electrical and electronic goods and plastic parts organotin.

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

3 Method summary

After the sample microwave digestion inductively coupled plasma atomic emission spectroscopy (ICP-AES) analysis of the appropriate wavelength measured in digestion the emission intensity of liquid tin, against a standard curve to determine the concentration of tin, calculate the amount of tin in the sample.

4 Reagents and materials

Unless otherwise specified, use only analytical reagent. The water used in line with two water GB/T 6682 regulations.

4.1 nitric acid (rho = 1.4g/mL). pure class distinctions.

4.2 Hydrogen peroxide (30%). pure class distinctions.

4.3 fluoroborate.

4.4 tin standard stock solution (100mg/L). 10% HCl matrix.

4.5 nitrate and fluoride boric acid mixed solution. Take 5mL nitric acid (4.1) and 1mL fluoride boric acid (4.3) in an appropriate amount of water, then diluted to 100mL.

5 Apparatus

5.1 Inductively coupled plasma atomic emission spectrometer. working gas is argon purity >=99.99%.

5.2 Microwave Digestion System. equipped with a temperature or pressure safety control device.

5.3 Balance. a sense of the amount of 0.1mg.

5.4 Freezing mills.

6 Step, Analysis