YS/T 38.1-2009 English PDF

US$209.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
YS/T 38.1-2009: Chemical analysis methods of high pure gallium. Part 1: Determination of silicon content. Molybdenum blue spectrophotometry

YS/T 38.1: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YS/T 38.1-2009	209	Add to Cart	3 days	Chemical analysis methods of high pure gallium. Part 1: Determination of silicon content. Molybdenum blue spectrophotometry
YS/T 38.1-1992	199	Add to Cart	2 days	(Methods for chemical analysis of high purity gallium. Determination of silicon content - Molybdenum blue spectrophotometric)	Obsolete

Similar standards

GB/T 7999   YS/T 600   GB/T 14849.2   YS/T 420   YS/T 872   YS/T 38.3   

Basic data

Standard ID: YS/T 38.1-2009 (YS/T38.1-2009)
Description (Translated English): Chemical analysis methods of high pure gallium. Part 1: Determination of silicon content. Molybdenum blue spectrophotometry
Sector / Industry: Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard: H12
Classification of International Standard: 77.040.30
Word Count Estimation: 6,694
Date of Issue: 2009-12-04
Date of Implementation: 2010-06-01
Older Standard (superseded by this standard): YS/T 38.1-1992
Regulation (derived from): MIIT [2009] No. 66
Issuing agency(ies): Ministry of Industry and Information Technology
Summary: This standard specifies the purity gallium Determination of silicon content. This standard applies to gallium (99. 9999%) of silicon content. Measuring range ~ 0. 00005% 0. 00001%.

YS/T 38.1-2009: Chemical analysis methods of high pure gallium. Part 1: Determination of silicon content. Molybdenum blue spectrophotometry

---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 methods of high pure gallium.Part 1. Determination of silicon content.Molybdenum blue spectrophotometry ICS 77.040.30 H12 People's Republic of China Nonferrous Metals Industry Standard Replacing YS/T 38.1-1992 Methods for chemical analysis of high purity gallium Part 1. Determination of the amount of silicon Molybdenum blue spectrophotometric method Posted 2009-12-04 2010-06-01 implementation Ministry of Industry and Information Technology of the People's Republic of China released

Foreword

YS/T 38 "high purity gallium chemical analysis method" is divided into two parts. --- Part 1. "Chemical analysis of gallium high-purity silicon content - Molybdenum blue spectrophotometric method"; --- Part 2. "high purity gallium chemical analysis of magnesium, titanium, chromium, manganese, nickel, cobalt, copper, zinc, cadmium, tin, lead, bismuth content - Inductively Coupled Plasma Mass Spectrometry. " This section YS/T 38 - Part 1. The partial replacement of YS/T 38.1-1992 "purity gallium chemical analysis of molybdenum blue spectrophotometric method for determination of silicon content." This section compared with YS/T 38.1-1992, have the following main changes. --- The original method of presentation format has been modified. The non-ferrous metal part by the National Standardization Technical Committee and centralized. This section is responsible for drafting unit. Beijing Nonferrous Metal Research Institute. Participated in the drafting of this section. Zhuzhou Smelter Group, Emei Semiconductor plant. The main drafters of this section. Liu Ying, Liu Hong, Gao Yan, Jin Zhihong, Wang Yan. This part of the standard replaces the previous editions are. --- YS/T 38.1-1992. Methods for chemical analysis of high purity gallium Part 1. Determination of silicon content - Molybdenum blue spectrophotometric method

1 Scope

YS/T of the provisions of section 38 of the method for the determination of silicon content in high purity gallium. This section applies to gallium (99.9999%) Determination of silicon content. Measurement range from 0.00001% to 0.00005%.

2 Method summary

Sample decomposition with hydrochloric acid gas at about 200 ℃ volatile separation of gallium trichloride; hydrofluoric acid solution polymerization of silicic acid, boric acid complex fluoride ions; Silicon molybdenum blue method in a spectrophotometer absorbance was measured at a wavelength of 810nm.

3 Reagents

The water in this portion of deionized water (resistivity greater than 15MΩ · cm). 3.1 hydrochloride (ρ1.19g/mL). 3.2 sulfate (ρ1.84g/mL), pure class distinctions. 3.3 sulfate (35 + 1), the preparation of sulfuric acid (3.2). 3.4 sulfate (1 + 1), the preparation of sulfuric acid (3.2). 3.5 HF. hydrofluoric acid (excellent pure) platinum by distillation was purified by distillation or polytetrafluoroethylene sub-boiling distillation purified by distillation. 3.6 boric acid (40g/L), pure class distinctions. 3.7 Ammonium molybdate (50g/L), high purity. 3.8 tartaric acid (30%), pure class distinctions. 3.9 reducing agent. 1-amino-2-naphthol -4-2- acid (2mg/mL). Silicon 3.10 Standard stock solution. Weigh 0.2139g silicon dioxide were placed in a platinum crucible, sodium carbonate and potassium carbonate was added 2g (2.1) mixed Co-reagent, stir melted until clear. After cooling, transferred to 1000mL volumetric flask, dilute to the mark, mix, immediately go to a plastic bottle in. This solution 1mL containing 100μg silicon. 3.11 Silicon standard solution. Pipette 10.0mL silicon standard stock solution (3.10) into 1000mL volumetric flask, dilute to the mark with water, mix Uniform, immediately go to a plastic bottle. This solution 1mL containing 1μg silicon.

4 Instrument

4.1 Spectrophotometer. 4.2 gallium separation means. Step 5 Analysis 5.1 Sample Weigh 1g sample, accurate to 0.0001g. 5.2 Determination of the number of Three independently measured sample and averaged. 5.3 blank test Along with sample blank test. ......

Image     

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of YS/T 38.1-2009_English be delivered?

Answer: Upon your order, we will start to translate YS/T 38.1-2009_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 38.1-2009_English with my colleagues?

Answer: Yes. The purchased PDF of YS/T 38.1-2009_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.

Question 5: Should I purchase the latest version YS/T 38.1-2009?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version YS/T 38.1-2009 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.