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YS/T 520.1-2007 English PDF

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Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version YS/T 520.1-2007 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.

US$199.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
YS/T 520.1-2007: Chemical analysis of gallium. Part 1: Determination of copper content. The 2, 9-dimethy-4, 7-diphenyl-1, 10-phenanthroline spectrophotometric method
Status: Valid

YS/T 520.1: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YS/T 520.1-2007	199	Add to Cart	3 days	Chemical analysis of gallium. Part 1: Determination of copper content. The 2, 9-dimethy-4, 7-diphenyl-1, 10-phenanthroline spectrophotometric method	Valid
YS/T 520.1-2006	199	Add to Cart	2 days	Methods for chemical analysis of gallium. The 2, 9-dimethy-4, 7-diphenyl-1, 10-phenanthroline photometric method for the determination of copper content	Obsolete

Similar standards

GB/T 4698.17 XB/T 619 YS/T 555.11 YS/T 540.2 YS/T 540.3 YS/T 540.1

Basic data

Standard ID: YS/T 520.1-2007 (YS/T520.1-2007)
Description (Translated English): Chemical analysis of gallium. Part 1: Determination of copper content. The 2, 9-dimethy-4, 7-diphenyl-1, 10-phenanthroline spectrophotometric method
Sector / Industry: Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard: H14
Classification of International Standard: 77.120.70
Word Count Estimation: 6,647
Date of Issue: 2007-11-14
Date of Implementation: 2008-05-01
Older Standard (superseded by this standard): YS/T 520.1-2006
Regulation (derived from): NDRC Notice No. 77 of 2007
Issuing agency(ies): National Development and Reform Commission
Summary: This standard specifies the gallium determination of copper content. This standard applies to the determination of copper content of gallium. Measuring range: 0. 00050% to 0. 040%

YS/T 520.1-2007: Chemical analysis of gallium. Part 1: Determination of copper content. The 2, 9-dimethy-4, 7-diphenyl-1, 10-phenanthroline spectrophotometric 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.
Chemical analysis of gallium.Part 1. Determination of copper content.The 2, 9-dimethy-4, 7-diphenyl-1, 10-phenanthroline spectrophotometric method ICS 77.120.70 H14 People's Republic of China Nonferrous Metals Industry Standard Replacing YS/T 520.1-2006 Chemical analysis of gallium Part 1. Determination of copper content 1,10 phenanthroline spectrophotometry Posted 2007-11-14 2008-05-01 implementation National Development and Reform Commission issued

Foreword

YS/T 520-2007 "Chemical analysis of gallium" Is the YS/T 520-2006 (formerly GB/T 4375-1984) amendments, divided into Part 12. --- Part 1. Determination of copper content of 2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline spectrophotometry --- Part 2. Determination of lead content of 4- (2-pyridyl) - resorcinol spectrophotometry --- Part 3. Determination of aluminum content Chromazurol S- tetradecyl pyridine bromide spectrophotometric method --- Part 4. Determination of iron content of 4,7-diphenyl-1,10-phenanthroline spectrophotometry --- Part 5. Determination of calcium content nitrous oxide - acetylene flame atomic absorption spectrometry --- Part 6. Determination of tin content salicylfluorone - cetyl trimethyl ammonium bromide, spectrophotometry --- Part 7. Determination of silicon content extraction - molybdenum blue spectrophotometric method --- Part 8. Determination of indium content of ethyl violet spectrophotometry --- Part 9. Determination of germanium content Phenylfluorone - polyethylene glycol octyl phenyl ether extraction spectrophotometric method --- Part 10. Determination of zinc content atomic absorption spectrometry --- Part 11. Determination of mercury content of the cold atomic absorption spectrometry --- Part 12. lead, copper, nickel, aluminum, indium and zinc Determination of chemical spectroscopy This is Part 1. The partial replacement of YS/T 520.1-2006 (formerly GB/T 4375.1-1984). This section is a "measurement Chemical analysis of gallium Part 1 copper content of YS/T 520.1-2006 2,9- dimethyl-4,7- Diphenyl-1,10-phenanthroline spectrophotometry "editorial finishing. The non-ferrous metal part by the National Standardization Technical Committee and centralized. This standard by the Aluminum Corporation of China Shandong branch responsible for drafting. Drafters of this section. Yun-Xia Wang, Wang Li set, Xu good text, all red Tao. The non-ferrous metal part by the National Standardization Technical Committee responsible for the interpretation. This part of the standard replaces the previous editions are. --- YS/T 520.1-2006 (formerly GB/T 4375.1-1984). Chemical analysis of gallium Part 1. Determination of copper content 2,9-dimethyl-4,7-diphenyl 1,10 phenanthroline spectrophotometry

1 Scope

This section provides gallium determination of copper content. This section applies to the determination of copper content in gallium. Measurement range. 0.00050% to 0.040%.

2 Method summary

Sample with nitric acid, hydrochloric acid dissolved. In the presence of ammonium citrate, copper reduction to hydroxylamine hydrochloride, under conditions of pH = 5, and copper (Ⅰ) and 2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline yellow complex formed by isoamyl alcohol extraction, in the spectrophotometer at a wavelength of 470nm Measuring the absorbance.

3 Reagents

3.1 ethanol, pure class distinctions. 3.2 isoamyl alcohol. 3.3 nitric acid, pure class distinctions (ρ1.42g/cm 3). 3.4 hydrochloric acid, pure class distinctions (ρ1.19g/cm 3). Ammonia 3.5 (1 + 1). 3.6 ammonium citrate solution (300g/L). 3.7 hydroxylamine hydrochloride solution (100g/L). 3.8 2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline solution (1g/L). Weigh 0.1g2,9- dimethyl-4,7 diphenyl-1,10 Phenanthroline, dissolved in 100mL of ethanol, and mix. 3.9 Copper Standard stock solution. Weigh 1.0000g copper [(Cu) ≥99.99%], placed in 400mL beaker, 20mL of nitric acid was added (1 + 1), dissolved by heating, and evaporated to near dryness, added 10mL sulfuric acid (ρ1.84g/mL), carefully evaporated to white smoke cooling. Add boiling water, So all dissolved salts. Cooled and transferred to water 1000mL volumetric flask, constant volume, and mix. This solution 1mL containing 1.0mg of copper. 3.10 Copper standard solution. Pipette 25.00mL copper standard stock solution (3.9) into 250mL volumetric flask with water to volume, and mix. this 1mL solution containing 100μg copper. 3.11 Copper standard solution. Pipette 25.00mL copper standard solution (3.10) into 250mL volumetric flask with water to volume, and mix. This solution 1mL containing 10μg copper. 3.12 Precision pH test paper (pH3.8 ~ pH5.4, 0.2 units interval).

4 Instrument

Spectrophotometer.

5 Sample

The samples in sealed Teflon bottle, placed in 50 ℃ water bath until the sample is completely converted to a liquid state, shaken, cooled to Room temperature before use. ......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of YS/T 520.1-2007_English be delivered?

Answer: Upon your order, we will start to translate YS/T 520.1-2007_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 520.1-2007_English with my colleagues?

Answer: Yes. The purchased PDF of YS/T 520.1-2007_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 520.1-2007?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version YS/T 520.1-2007 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.