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YS/T 956.2-2014 English PDF

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US$209.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
YS/T 956.2-2014: Chemical analysis method of gold and germanium alloys.Part 2: Determination of germanium content - Potentiometric titration using potassium iodate
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YS/T 956.2-2014	209	Add to Cart	3 days	Chemical analysis method of gold and germanium alloys.Part 2: Determination of germanium content - Potentiometric titration using potassium iodate	Valid

Similar standards

GB/T 17472 GB/T 17473.2 GB/T 17473.1 YS/T 955.3 YS/T 939 YS/T 956.1

Basic data

Standard ID: YS/T 956.2-2014 (YS/T956.2-2014)
Description (Translated English): Chemical analysis method of gold and germanium alloys.Part 2: Determination of germanium content - Potentiometric titration using potassium iodate
Sector / Industry: Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard: H68
Classification of International Standard: 77.120.99
Word Count Estimation: 8,881
Date of Issue: 10/14/2014
Date of Implementation: 4/1/2015
Quoted Standard: YS/T 371
Regulation (derived from): People's Republic of China Ministry of Industry and Information Technology Notice 2014 No. 63; Industry Standard Filing Notice 2014 No. 12 (Overall No. 180)
Issuing agency(ies): Ministry of Industry and Information Technology
Summary: This Standard specifies the determination of the amount of germanium gold-germanium alloy. This section applies to gold-germanium, gold germanium nickel, gold germanium nickel and copper, gold and silver germanium, germanium and silver nickel alloys - Det

YS/T 956.2-2014: Chemical analysis method of gold and germanium alloys.Part 2: Determination of germanium content - Potentiometric titration using potassium iodate

---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.
Chemical analysis method of gold and germanium alloys.Part 2. Determination of germanium content - Potentiometric titration using potassium iodate ICS 77.120.99 H68 People's Republic of China Nonferrous Metals Industry Standard Gold-germanium alloys - Determination of germanium content. Part 2 Potentiometric titration with potassium iodate Part 2. Ddeterminationofgermaniumcontent- Issued on. 2010-10-14 2015-04-01 implementation Ministry of Industry and Information Technology of the People's Republic of China released

Foreword

YS/T 956 "gold-germanium alloy chemical analysis method" is divided into two parts. --- Part 1. germanium content - Inductively coupled plasma atomic emission spectrometry; --- Part 2. Determination of germanium content of potassium iodate potentiometric titration. This section YS/T Part 2 956. 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. Your research resources (Yimen) Limited, your research Platinum Limited. This section participated in the drafting unit. China Nonferrous Metals Institute of Standards Metrology and Quality, Northwest Nonferrous Metal Research Institute, Beijing Mining and Metallurgy Research Total Courtyard, Beijing Nonferrous Metal Research Institute, Guangzhou Nonferrous Metal Research Institute. The main drafters of this section. Guojun Mei, Hanshou Li, Zhu Wuxun, Li Yong, HE Xiao Tang, Liu, to Lei, Li Guangli, Gan Zhuang Jian, Xie Hong Chao, Giulia, Li, Yu Fengshan, Sun Baolian, Wanghao Ying, Chen Xiaolan, Feng advanced, Zhou Kai, Wang Fang. Gold-germanium alloys - Determination of germanium content. Part 2 Potentiometric titration with potassium iodate

1 Scope

This section YS/T 956 specifies the method for the determination of germanium content of gold-germanium alloy. This section applies to gold-germanium, germanium gold nickel, gold germanium nickel and copper, gold and silver germanium, germanium and silver nickel alloys of germanium contents. Measurement range. from 5.00% to 30.00%.

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. 371 precious metal alloys - General rules and regulations YS/T

3 Method summary

Gold-germanium, germanium gold nickel, gold germanium nickel-copper alloy sample with hydrochloric acid, hydrogen peroxide decomposition at room temperature Teflon digestion tank, germanium gold and silver, gold and silver Germanium-nickel alloy samples with hydrochloric acid, hydrogen peroxide Microwave Digestion. Distillation coexisting elements in 6mol/L HCl medium. in 2.5mol/L phosphate and 3.8mol/L HCl medium at boiling conditions with hypophosphite reduction of germanium (Ⅳ) to germanium (Ⅱ), with potassium iodate Standard Solution titration germanium (Ⅱ) to germanium (Ⅳ), indicating potential method to determine the end point of germanium content. Distillation apparatus shown in Figure 1.

4 Reagents

Unless otherwise indicated, the reagents used in this section, utensils, etc. should comply with YS/T 371's. Explanation. Ⅰ --- retort; Ⅱ --- receiving flask; Ⅲ --- condenser; Ⅳ --- furnace. Distillation apparatus of FIG. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of YS/T 956.2-2014_English be delivered?

Answer: Upon your order, we will start to translate YS/T 956.2-2014_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of YS/T 956.2-2014_English with my colleagues?

Answer: Yes. The purchased PDF of YS/T 956.2-2014_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.