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GB/T 23364.3-2009 English PDF

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GB/T 23364.3-2009: Methods for chemical analysis of high purity indium oxide -- Part 3: Determination of antimony content -- Atomic fluorescence spectrometry
Status: Valid

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
GB/T 23364.3-2009	English	139	Add to Cart	3 days [Need to translate]	Methods for chemical analysis of high purity indium oxide -- Part 3: Determination of antimony content -- Atomic fluorescence spectrometry	Valid	GB/T 23364.3-2009

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Basic data

Standard ID	GB/T 23364.3-2009 (GB/T23364.3-2009)
Description (Translated English)	Methods for chemical analysis of high purity indium oxide -- Part 3: Determination of antimony content -- Atomic fluorescence spectrometry
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	H66
Classification of International Standard	77.120
Word Count Estimation	6,670
Date of Issue	2009-03-19
Date of Implementation	2010-01-01
Regulation (derived from)	National Standard Approval Announcement 2009 No.3 (Total No.143)
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This standard specifies the determination of the amount of antimony oxide of high purity indium. This section applies to the determination of the amount of antimony oxide of high purity indium. Measuring range (mass fraction) of 0. 00001% to 0. 0080%.

GB/T 23364.3-2009: Methods for chemical analysis of high purity indium oxide -- Part 3: Determination of antimony content -- Atomic fluorescence spectrometry

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Methods for chemical analysis of high purity indium oxide Part 3. Determination of antimony content Atomic fluorescence spectrometry. ICS 77.120 H66 National Standards of People's Republic of China Methods for chemical analysis of high purity indium oxide Part 3. Determination of antimony content Atomic Fluorescence Spectrometry Posted 2009-03-19 2010-01-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 23364 "Methods for chemical analysis of high purity indium oxide" is divided into six sections. --- Part 1. Determination of arsenic content by atomic fluorescence spectrometry; --- Part 2. Determination of tin content of phenyl spectrophotometric; --- Part 3. Determination of antimony content - Atomic Fluorescence Spectrometry; --- Part 4. aluminum, iron, copper, zinc, cadmium, lead and thallium content - Inductively Coupled Plasma Mass Spectrometry; --- Part 5. Determination of chlorine content of thiocyanate mercury spectrophotometry; --- Part 6. Determination of loss on ignition weighing method. This is Part 3. This part is proposed by the China Nonferrous Metals Industry Association. The non-ferrous metal part by the National Standardization Technical Committee. This section from Guilin Research Institute of Geology, Mining & Metallurgy, Guangxi product quality supervision and inspection station responsible for drafting. This part of indium by the Guangxi Industry Association, Guilin Institute of Technology participated in the drafting. The main drafters of this section. Yang Zhongping, Zhu Xiong Zhi Jin Xiao beads, Huangzhao Min, Xu Hua, Zhou Sulian, Huang Xusheng, Chen Jin in. Methods for chemical analysis of high purity indium oxide Part 3. Determination of antimony content Atomic Fluorescence Spectrometry

1 Scope

This section GB/T 23364 specifies the method for the determination of antimony content of high-purity indium oxide. This section applies to the determination of the amount of high-purity indium antimony, the measurement range (mass fraction) of 0.00001% to 0.0080%.

2 Method summary

The sample is dissolved with hydrochloric acid, thiourea - ascorbic acid will be reduced to trivalent antimony advance in hydride generator, is reduced antimony potassium borohydride as hydrogen Thereof, with argon gas was introduced into the quartz furnace atomizer, the fluorescence intensity measured on the atomic fluorescence spectrometer, calculate the amount of antimony.

3 Reagents

Unless otherwise stated, use only identified as gifted class pure reagents and secondary distilled water or equivalent to its purity. 3.1 hydrochloride (ρ1.19g/mL). 3.2 sulfate (ρ1.84g/mL). 3.3 HCl (1 + 1). 3.4 thiourea - ascorbic acid solution. Weigh 25g and 25g of thiourea AR AR ascorbic acid dissolved in 500mL of water, mixed Uniform, the time is now equipped with. 3.5 solution of potassium borohydride (20g/L). Weigh 10g potassium borohydride, dissolved in 500mL of potassium hydroxide solution (5g/L), and mix well. If The precipitate is filtered and used. The time is now equipped with. 3.6 hydrochloric acid (1 + 19). 3.7 Antimony standard stock solution. Weigh 0.1000g antimony (mass fraction ≥99.99%), placed in 100mL beaker. Sulfur was added 5mL Acid, dissolved by heating, cooled and transferred to 1000mL volumetric flask, diluted with HCl (1 + 4) to the mark and mix. This solution containing 1mL 100μg antimony. Antimony 3.8 Standard Solution A. Pipette 10.00mL antimony standard stock solution (3.7), placed in 200mL volumetric flask, (1 + 4) was diluted with HCl To the mark, and mix. This solution 1mL containing 5μg antimony. 3.9 Antimony standard solution B. Pipette 10.00mL antimony standard solution A (3.8), placed in 100mL flask, diluted with HCl (1 + 4) to Volume, and mix. This solution 1mL containing 500ng antimony. 3.10 argon, volume fraction ≥99.99%.

4 Instrument

Atomic fluorescence spectrometer, equipped with antimony special hollow cathode lamp. The atomic fluorescence spectrometer should meet the following specifications. --- Stability. Zero drift ≤5%, short-term stability RSD≤3% 30min inside; --- The detection limit. Sb≤0.5ng/mL; --- Linear curve. curve in 0 ~ 60ng/mL range, the correlation coefficient should ≥0.995.

5 Sample

The specimen should be 105 ℃ ~ 110 ℃ drying 2h, placed in a desiccator to cool to room temperature.

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