GB/T 3260.3-2013 English PDF

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GB/T 3260.3-2013: Methods for chemical analysis of tin -- Part 3: Determination of bismuth content -- KI photometric method and flame atomic absorption spectrometric method
Status: Valid

GB/T 3260.3: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 3260.3-2013	209	Add to Cart	3 days	Methods for chemical analysis of tin -- Part 3: Determination of bismuth content -- KI photometric method and flame atomic absorption spectrometric method	Valid
GB/T 3260.3-2000	279	Add to Cart	3 days	Methods for chemical analysis of tin. Determination of bismuth content	Obsolete
GB/T 3260.3-1982	RFQ	ASK	3 days	Chemical analysis of tin--The potassium iodide photometric method for determination of bismuth	Obsolete

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Basic data

Standard ID: GB/T 3260.3-2013 (GB/T3260.3-2013)
Description (Translated English): Methods for chemical analysis of tin -- Part 3: Determination of bismuth content -- KI photometric method and flame atomic absorption spectrometric method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H13
Classification of International Standard: 77.120.60
Word Count Estimation: 9,922
Older Standard (superseded by this standard): GB/T 3260.3-2000
Regulation (derived from): National Standards Bulletin No. 25 of 2013
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 potassium iodide and flame atomic spectrophotometry amount of tin in Peru absorption spectrometry methods. This standard applies to the determination of the amount of tin in Peru. Method 1 was measured in the range of 0. 00050%

GB/T 3260.3-2013: Methods for chemical analysis of tin -- Part 3: Determination of bismuth content -- KI photometric method and flame atomic absorption spectrometric method

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Methods for chemical analysis of tin Part 3... Determination of bismuth content KI photometric method and flame atomic absorption spectrometric method ICS 77.120.60 H13 National Standards of People's Republic of China Replacing GB/T 3260.3-2000 Chemical analysis of tin Part 3. Determination of bismuth content Spectrophotometry and potassium iodide Flame Atomic Absorption Spectrometry Part 3. Determinationofbismuthcontent- Issued on. 2014-09-01 2013-12-17 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 3260 "Methods for chemical analysis of tin" is divided into 14 parts. --- Part 1. Determination of copper content - Flame atomic absorption spectrometry; --- Part 2. Determination of iron content - 1,10-phenanthroline spectrophotometry; --- Part 3. Determination of bismuth content of potassium iodide spectrophotometric method and the flame atomic absorption spectrometry; --- Part 4. Determination of lead content by flame atomic absorption spectrometry; --- Part 5. Determination of antimony content - Malachite green spectrophotometry; --- Part 6. Determination of arsenic content - Malachite Green - arsenic heteropolyoxomolybdate spectrophotometry; --- Part 7. Determination of aluminum content electrothermal atomic absorption spectrometry; --- Part 8. Determination of zinc content - Flame atomic absorption spectrometry; --- Part 9. Determination of sulfur content of high frequency induction furnace combustion infrared absorption method; --- Part 10. Determination of cadmium content by flame atomic absorption spectrometry; --- Part 11. Determination of the amount of silver by flame atomic absorption spectrometry; --- Part 12. Determination of nickel content by flame atomic absorption spectrometry; --- Part 13. Determination of cobalt content by flame atomic absorption spectrometry; --- Part 14. Inductively coupled plasma atomic copper, iron, bismuth, lead, antimony, arsenic, aluminum, zinc, cadmium, nickel, cobalt and the amount of emitted light Spectroscopy. This section GB/T 3260 Part 3. This section drafted in accordance with GB/T 1.1-2009 given rules. Part 1 of this arbitration method. This part is GB/T 3260.3-2000 "chemical analysis of tin Determination of bismuth content," the revision of this standard and GB/T 3260.3- Compared to 2000, the main changes are as follows. --- Potassium iodide spectrophotometric determination by the scope of 0.0010% to 0.080%, expanded to 0.00050% to 0.20%; Determination limit --- flame atomic absorption spectrometry expanded from 0.020% to 0.20%; --- Flame atomic absorption spectrometry method, the rendering process before the sample and the calibration curve cancel the provisions of sodium chloride was added; --- Text format has been modified; --- Increasing the repeatability and reproducibility content. The non-ferrous metal part by the National Standardization Technical Committee (SAC/TC243) centralized. This section is responsible for drafting unit. Yunnan Tin Group Co., Ltd., Guangxi China Tin Group Co., Ltd. This section is responsible for drafting unit 1. Yunnan Tin Group Co., Ltd., Guangxi China Tin Group Co., Ltd. The unit participated in the drafting Part 1. Daye Nonferrous Metals Co., Ltd., Kunming Metallurgy Research Institute, Guangzhou Nonferrous Metal Research Institute, Shenzhen High-Tech Co., Ltd. Grammy. The main drafters of this Part 1. Huang Jinsong, Zhang Hongling, Chen Xiaofang, Zhang Xiuhua, Feng Yuan, Hujun Kai, Richard Li, Li Rong, Yang Yun Kim, Dai Fengying, Liutian Ping, Ma Lin, Shiru Xiang, Wang Jun Feng, Chenshu Lian, Ruan Xinfu, Wangjian Jian. Method 2 This section is responsible for drafting unit. Yunnan Tin Group Co., Ltd., Guangxi China Tin Group Co., Ltd. Participated in the drafting of this section Method 2. Guangzhou Research Institute of Nonferrous Metals, Daye Nonferrous Metals Co., Ltd., Shenzhen Grammy High New Technology Co., Ltd. The main drafters of this section Method 2. Wang Jun Feng, Su Aiping, Wei Zhen Yan, Huang Mei, Wei Wen, Miss Li, Dai Fengying, Liutian Ping, Ma Lin, Shiru Xiang, Chen Shulian, Highland, Du Caiyun, Julie. This part of the standard replaces the previous editions are. --- GB/T 3260.3-1982; --- GB/T 3260.3-2000. Chemical analysis of tin Part 3. Determination of bismuth content Spectrophotometry and potassium iodide Flame Atomic Absorption Spectrometry

1 Scope

GB/T 3260 This section specifies the amount of tin bismuth potassium iodide spectrophotometric method and the flame atomic absorption spectrometry methods. This section applies to the determination of bismuth content of the tin. 1 measuring range of 0.00050% - 0.200%; Tier 2 measurement range 0.00030% to 0.200%. Potassium iodide spectrophotometric method 1 2 2.1 Method summary Samples with hydrochloric acid, nitric acid is completely dissolved in sulfuric acid medium, hydrochloric acid - hydrobromide exclude a large number of tin in hydrochloric acid medium, and bismuth potassium iodide Forming a yellow complex was measured at 460nm wavelength spectrophotometer absorbance of bismuth. 2.2 Reagents Unless otherwise indicated in the analysis using only recognized as analytical grade reagents and distilled or deionized water or equivalent purity. 2.2.1 hydrochloric acid (ρ1.19g/mL). 2.2.2 nitrate (ρ1.42g/mL). 2.2.3 sulfate (ρ1.84g/mL). 2.2.4 hydrobromide. The excellent pure or analytical reagents sub-boiling distillation using a concentration of not less than 8.5mol/L. 2.2.5 hydrochloric acid - mixed nitric acid. hydrochloric acid, nitric acid (31), using now. Hydrochloric 2.2.6 - hydrobromic acid. hydrochloric acid hydrobromide (11). 2.2.7 sulfuric acid (11). 2.2.8 hydrochloric acid (19). 2.2.9 citric acid solution (500g/L). 2.2.10 KI solution (200g/L). 2.2.11 thiourea solution (100g/L). 2.2.12 bismuth standard stock solution. Weigh 0.5000g bismuth (wBi≥99.99%) in 200mL beaker, add 10mL of nitric acid (12), low-temperature heating dissolution is complete, add 20mL sulfuric acid (2.2.7), is heated and evaporated to white smoke, removed, cooled to room temperature, with little Beibi water purge, and then evaporated to white smoke cooling. Hydrochloric acid was added 20mmL (2.2.8), dissolved salts on low heat, cool. Hydrochloric acid (2.2.8) moved into 1000mL volumetric flask, and dilute to volume, and mix. This solution 1mL containing 500μg bismuth. 2.2.13 bismuth standard solution. Pipette 20.00mL bismuth standard stock solution (2.2.12) in 500mL flask with hydrochloric acid (2.2.8) diluted To the mark, and mix. This solution 1mL containing 20μg bismuth. ......

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