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YS/T 746.10-2010 English PDF

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YS/T 746.10-2010: Methods for chemical analysis of lead-free tin-based solders. Part 10: Determination of aluminum content. Electrothothermal atomic absorption spectrometric method
Status: Valid
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YS/T 746.10-2010English159 Add to Cart 3 days [Need to translate] Methods for chemical analysis of lead-free tin-based solders. Part 10: Determination of aluminum content. Electrothothermal atomic absorption spectrometric method Valid YS/T 746.10-2010

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GB/T 3884.2   GB/T 3884.1   YS/T 710.6   YS/T 746.17   YS/T 746.13   YS/T 746.12   

Basic data

Standard ID YS/T 746.10-2010 (YS/T746.10-2010)
Description (Translated English) Methods for chemical analysis of lead-free tin-based solders. Part 10: Determination of aluminum content. Electrothothermal atomic absorption spectrometric method
Sector / Industry Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard H13
Classification of International Standard 77.040.30
Word Count Estimation 6,677
Date of Issue 2010-11-22
Date of Implementation 2011-03-01
Regulation (derived from) MIIT (2010) No. 126
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This standard specifies the base solder lead-free solder Determination of aluminum content. This standard applies to lead-free tin-based solder in the Determination of aluminum content. Measuring range: 0. 0005% to 0. 050%.

YS/T 746.10-2010: Methods for chemical analysis of lead-free tin-based solders. Part 10: Determination of aluminum content. Electrothothermal atomic absorption spectrometric method


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Methods for chemical analysis of lead-free tin-based solders.Part 10. Determination of aluminum content.Electrothothermal atomic absorption spectrometric method ICS 77.040.30 H13 People's Republic of China Nonferrous Metals Industry Standard No Tin Lead-based solder chemical analysis Part 10. Determination of aluminum content Electrothermal atomic absorption spectrometry Part 10. Determinationofaluminumcontent- Issued on. 2010-11-22 2011-03-01 implementation Ministry of Industry and Information Technology of the People's Republic of China released

Foreword

YS/T 746 "non-Pb-based solder chemical analysis method" is divided into 17 parts. --- Part 1 Determination of tin content Coke sexual gallic acid Covering - lead nitrate titration method --- Part 2 of silver content - Flame atomic absorption spectrometry and potentiometric titration with potassium thiocyanate --- Part 3 of copper content - Flame atomic absorption spectrometry and titration with sodium thiosulfate --- Part 4 of lead content - Flame Atomic Absorption Spectrometry --- Part 5 of bismuth content - Flame atomic absorption spectrometry and titration Na2EDTA --- Part 6 of antimony content - Flame Atomic Absorption Spectrometry --- Part 7 Determination of iron content by flame atomic absorption spectrometry --- Part 8 of arsenic content of arsenic, antimony molybdenum blue spectrophotometric method --- Part 9 Determination of zinc content by flame atomic absorption spectrometry and titration Na2EDTA Part 10 Determination of aluminum content --- first electrothermal atomic absorption spectrometry --- Part 11 of cadmium content - Flame Atomic Absorption Spectrometry --- Part 12 Determination of indium titration Na2EDTA --- Part 13 Determination of nickel content by flame atomic absorption spectrometry --- Part 14 Determination of the phosphorus content of the first crystal violet - heteropoly acid phosphovanadomolybdate spectrophotometry --- Part 15 Determination of germanium content salicylfluorone spectrophotometry --- Part 16 Determination of rare earth Arsenazo Ⅲ spectrophotometry --- Part 17 silver, copper, lead, bismuth, antimony, iron, arsenic, zinc, aluminum, cadmium, nickel, indium content was measured by inductively coupled plasma optical emission Spectroscopy This section section 10. This section is in accordance with GB/T 1.1-2009 given rules drafted. The non-ferrous metal part by the National Standardization Technical Committee (SAC/TC243) centralized. This section is drafted. Yunnan Tin Group Co., Ltd. Participated in the drafting of this section. Beijing Nonferrous Metal Research Institute, Guangzhou Nonferrous Metal Research Institute. The main drafters of this section. Su Aiping, Zhang Limei, Highland, Yanfang, Liu Bing, Daifeng Ying, Liu Tianping, Shirui Fang Zhu Rui. No Tin Lead-based solder chemical analysis Part 10. Determination of aluminum content Electrothermal atomic absorption spectrometry

1 Scope

YS/T 746 This section provides lead-free tin-based solders Determination of aluminum content. This section applies to the determination of tin-based solders without aluminum content. Measurement range. 0.0005% to 0.050%.

2 Method summary

Sample dissolved in hydrochloric acid and nitric acid, hydrochloric acid, citric acid, thiourea medium, the solution is introduced into a volume of electrothermal atomizer, in Atomic absorption spectrometer at a wavelength of 309.3nm, measure the peak area of aluminum.

3 Reagents

Unless otherwise indicated in the analysis using only recognized as an analytical reagent and water. Containers are used in the experiments with hydrochloric acid (119) was thoroughly soaked, washed with three water, a water clean. 3.1 hydrochloric acid (ρ1.19g/mL), pure class distinctions. 3.2 nitrate (ρ1.42g/mL), pure class distinctions. 3.3 hydrochloride (19). 3.4 citric acid solution (200g/L). 3.5 thiourea solution (50g/L). 3.6 standard aluminum stock solution. Weigh 0.5000g aluminum (≥99.99%) in 200mL quartz beaker, blown about 5mL water added 10mL of hydrochloric acid (3.1), 3.5 mL of nitric acid (3.2), low-temperature heating to dissolve completely cooled, transferred to 500mL volumetric flask, add 20mL salt Acid (3.1), dilute to the mark and mix. 1mL solution containing 1mg aluminum. 3.7 aluminum standard solution. Pipette 10.00mL aluminum standard stock solution (3.6) in 100mL volumetric flask, was added 2mL of hydrochloric acid (3.1), Diluted with water to volume, and mix. This solution 1mL containing 100μg aluminum. 3.8 aluminum standard solution. Pipette 5.00mL aluminum standard stock solution (3.7) in 500mL volumetric flask, was added 10mL of hydrochloric acid (3.1), Diluted with water to volume, and mix. This solution 1mL containing 1μg aluminum. Store in plastic bottle.

4 Instrument

Atomic absorption spectrometer, heat distribution atomizer, autosampler, pyrolytic coating graphite tube platform, aluminum hollow cathode lamp and background subtraction school Positive means. Under optimum working conditions for those who can reach the following indicators can be used. --- Characteristic concentration. a solution in the matrix is consistent with the measured solution, characteristic concentration of aluminum should not exceed 34pg. --- Precision. measure 10 times the absorbance of the highest concentration of the standard solution, the standard deviation should not exceed 1% of the average absorbance; with The lowest concentration of standard solution (not "zero" concentration of the standard) measuring the absorbance of 10 times, the standard deviation should not exceed the maximum concentration

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