YS/T 520.12-2007 English PDF

US$229.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
YS/T 520.12-2007: Chemical analysis of gallium. Part 12: Determination of lead, coper, nickel, aluminum, indium and zinc content. The spectrochemical method
Status: Valid

YS/T 520.12: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YS/T 520.12-2007	229	Add to Cart	3 days	Chemical analysis of gallium. Part 12: Determination of lead, coper, nickel, aluminum, indium and zinc content. The spectrochemical method	Valid
YS/T 520.12-2006	199	Add to Cart	2 days	Methods for chemical analysis of gallium. The spectrochemical method for the determination of lead, coper, nickel, aluminum, indium and zinc contents	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 520.12-2007 (YS/T520.12-2007)
Description (Translated English): Chemical analysis of gallium. Part 12: Determination of lead, coper, nickel, aluminum, indium and zinc content. The spectrochemical method
Sector / Industry: Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard: H14
Classification of International Standard: 77.120.70
Word Count Estimation: 7,754
Date of Issue: 2007-11-14
Date of Implementation: 2008-05-01
Older Standard (superseded by this standard): YS/T 520.12-2006
Regulation (derived from): NDRC Notice No. 77 of 2007
Issuing agency(ies): National Development and Reform Commission
Summary: This standard specifies the gallium lead, copper, nickel, aluminum, indium, zinc content determination method. This standard applies to gallium [w (Ga) �R 99. 999%] of lead, copper, nickel, aluminum, indium, zinc simultaneous determination. Measuring range in Table 1.

YS/T 520.12-2007: Chemical analysis of gallium. Part 12: Determination of lead, coper, nickel, aluminum, indium and zinc content. The spectrochemical 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 12. Determination of lead, coper, nickel, aluminum, indium and zinc content.The spectrochemical method ICS 77.120.70 H14 People's Republic of China Nonferrous Metals Industry Standard Replacing YS/T 520.12-2006 Chemical analysis of gallium Part 12. lead, copper, nickel, aluminum, indium, zinc Determination of chemical spectroscopy 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 12. The partial replacement of YS/T 520.12-2006 (formerly GB/T 4375.12-1984). This part is the determination of YS/T 520.12-2006 "Chemical analysis of gallium Part 12 lead, copper, nickel, aluminum, indium and zinc content Chemical spectroscopy "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. This section drafters. Zhang Xinyu, Zhongxiu Xia. 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 520.12-2006 (formerly GB/T 4375.12-1984). Chemical analysis of gallium Part 12. lead, copper, nickel, aluminum, indium, zinc Determination of chemical spectroscopy

1 Scope

This section provides lead, copper, nickel, aluminum, indium, gallium determination of zinc content in. This section applies to gallium [(Ga) ≥99.999%] of lead, copper, nickel, aluminum, indium, zinc content simultaneously. Determination of the range in Table 1. Table 1 Measuring element Measuring range /% Lead 5 × 10-5 ~ 3 × 10-4 Copper 5 × 10-5 ~ 3 × 10-4 Nickel 5 × 10-6 ~ 5 × 10-5 Aluminum 5 × 10-6 ~ 5 × 10-5 Indium 1 × 10-5 ~ 1 × 10-4 Zinc 1 × 10-5 ~ 1 × 10-4

2 Method summary

Sample in hydrochloric acid and nitric acid to dissolve. In 7.5mol/L HCl medium, isopropyl ether extraction separation body gallium enrichment in the aqueous phase Miscellaneous Quality (lead, copper, nickel, aluminum, indium, zinc) to the solution of the residue method, using spark excitation light source or AC arc light source, spectral measurement.

3 Reagents

3.1 hydrochloric acid (ρ1.19g/cm 3). After quartz distiller purified by distillation at 95 ℃ calibration concentration. 3.2 hydrochloric acid (7.5mol/L). formulated with hydrochloric acid (3.1). 3.3 hydrochloric acid (6mol/L). formulated with hydrochloric acid (3.1). 3.4 nitrate (ρ1.42g/cm 3). The quartz distiller 120 ℃ purified by distillation. 3.5 nitric acid (1 + 1). formulated with nitric acid (3.4). 3.6 isopropyl ether. in a separatory funnel first with hydroxylamine hydrochloride solution (100g/L) or ferrous ammonium sulfate solution (200g/L) was removed by washing with shaking peroxide Thereof, then transferred to a distillation flask in a water bath at 80 ℃ purified by distillation, collecting 67 ℃ ~ 69 ℃ distillate. Before use hydrochloric acid (3.2) saturated. 3.7 Deionized water. conductivity greater than 10S/m. 3.8 polystyrene benzene solution (1.5%). 3.9 lead standard stock solution. Weigh 1.0000g spectra of pure lead [(Pb) ≥99.99%], placed in 300mL beaker, add 10mL Nitric acid (3.5), after the dissolution of the low temperature, the solution was evaporated to a low volume, cooling is removed and transferred to 1000mL volumetric flask, 100mL of hydrochloric acid was added (3.1), water (3.7) diluted to the mark, and mix. This solution 1mL containing 1.0mg lead. 3.10 Copper Standard stock solution. Weigh 1.0000g copper spectrum [(Cu) ≥99.99%], placed in 300mL beaker, add 10mL Nitric acid (3.5), after the dissolution of the low temperature, the solution was evaporated to a low volume, cooling is removed and transferred to 1000mL volumetric flask, 100mL of hydrochloric acid was added (3.1), water (3.7) diluted to the mark, and mix. This solution 1mL containing 1.0mg of copper. 3.11 Nickel standard stock solution. Weigh 1.0000g spectrum pure nickel [(Ni) ≥99.99%], placed in 300mL beaker, add 10mL Nitric acid (3.5), after the dissolution of the low temperature, the solution was evaporated to a low volume, cooling is removed and transferred to 1000mL volumetric flask, 100mL of hydrochloric acid was added ......

Image     

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of YS/T 520.12-2007_English be delivered?

Answer: Upon your order, we will start to translate YS/T 520.12-2007_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 520.12-2007_English with my colleagues?

Answer: Yes. The purchased PDF of YS/T 520.12-2007_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 520.12-2007?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version YS/T 520.12-2007 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.