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GB/T 8151.7-2012 English PDF

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Q: Should I purchase the latest version GB/T 8151.7-2012?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 8151.7-2012 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$259.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 8151.7-2012: Methods for chemical analysis of zinc concentrates -- Part 7: Determination of arsenic content -- Hydride generation-atomic fluorescence spectrometry and the potassium bromate titrimetric method
Status: Valid

GB/T 8151.7: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 8151.7-2012	259	Add to Cart	3 days	Methods for chemical analysis of zinc concentrates -- Part 7: Determination of arsenic content -- Hydride generation-atomic fluorescence spectrometry and the potassium bromate titrimetric method	Valid
GB/T 8151.7-2000	279	Add to Cart	3 days	Methods for chemical analysis of zinc concentrates -Determination of arsenic content	Obsolete
GB/T 8151.7-1987	RFQ	ASK	3 days	Methods for chemical analysis of zinc concentrates--The potassium bromate titrimetric method for the determination of arsenic content	Obsolete

Similar standards

GB/T 8647.11 GB/T 8151.1 GB/T 8151.10 GB/T 8151.25 GB/T 8151.13 GB/T 8151.11

Basic data

Standard ID: GB/T 8151.7-2012 (GB/T8151.7-2012)
Description (Translated English): Methods for chemical analysis of zinc concentrates -- Part 7: Determination of arsenic content -- Hydride generation-atomic fluorescence spectrometry and the potassium bromate titrimetric method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H13
Classification of International Standard: 77.120.60
Word Count Estimation: 11,191
Older Standard (superseded by this standard): GB/T 8151.7-2000
Regulation (derived from): National Standards Bulletin No. 41 of 2012
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the amount of zinc concentrate Determination of arsenic. This section applies to zinc concentrate arsenic content. Method 1 Measuring range: 0. 005 0% to 0. 80%, Method 2 Measuring range: 0. 10% to 2. 00%.

GB/T 8151.7-2012: Methods for chemical analysis of zinc concentrates -- Part 7: Determination of arsenic content -- Hydride generation-atomic fluorescence spectrometry and the potassium bromate titrimetric 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.
Methods for chemical analysis of zinc concentrates Part 7. Determination of arsenic content Hydride generation-atomic fluorescence spectrometry and the potassium bromate titrimetric method ICS 77.120.60 H13 National Standards of People's Republic of China Replacing GB/T 8151.7-2000 Methods for chemical analysis of zinc concentrates Part 7. Determination of arsenic content Hydride Generation - Atomic Fluorescence Spectrometry and Potassium bromate titration Part 7. Determinationofarseniccontent- Issued on. 2013-10-01 2012-12-31 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 8151 "Methods for chemical analysis of zinc concentrates" is divided into 20 parts. --- Part 1. Determination of the amount of zinc Na2EDTA precipitation titration and extraction separation Na2EDTA titration; --- Part 2. Determination of sulfur content - Combustion neutralization titration method; --- Part 3. Determination of iron content Na2EDTA titration; --- Part 4. Determination of silicon dioxide content - Molybdenum blue spectrophotometric method; --- Part 5. Determination of lead content by flame atomic absorption spectrometry; --- Part 6. Determination of copper content - Flame atomic absorption spectrometry; --- Part 7. Determination of arsenic content by hydride generation - atomic fluorescence spectrometry and potassium bromate titration; --- Part 8. Determination of cadmium content by flame atomic absorption spectrometry; --- Part 9. Determination of the amount of fluorine ion selective electrode method; --- Part 10. Determination of tin content by hydride generation - atomic fluorescence spectrometry; --- Part 11. Determination of antimony content hydride generation - atomic fluorescence spectrometry; --- Part 12. Determination of the amount of silver by flame atomic absorption spectrometry; --- Part 13. Determination of the amount of germanium hydride generation - atomic fluorescence spectroscopy and spectrophotometry Phenylfuoron; --- Part 14. Determination of nickel content by flame atomic absorption spectrometry; --- Part 15. Determination of the amount of mercury atomic fluorescence spectrometry; --- Part 16. Determination of cobalt content by flame atomic absorption spectrometry; --- Part 17. Determination of the amount of zinc hydroxide precipitation -Na2EDTA titration; --- Part 18. Determination of the amount of zinc ion exchange -Na2EDTA titration; --- Part 19. Determination of the amount of gold and silver gray Chuihuo lead analysis or assay and flame atomic absorption spectrometry; --- Part 20. Copper, lead, iron, arsenic, cadmium, antimony, calcium, magnesium content - Inductively coupled plasma atomic emission spectrometry. This section GB/T 8151 Part 7. This section drafted in accordance with GB/T 1.1-2009 given rules. Part 1 of hydride generation - atomic fluorescence spectrometry; Method 2 is potassium bromate titration. Determination of the scope of cross-section, in square Act 1 as the arbitration method. This Part replaces GB/T 8151.7-2000 "Methods for chemical analysis of zinc concentrates - Determination of arsenic content." And GB/T 8151.7-2000 Compared to the main changes are as follows. --- Text format has been modified; --- Added precision and test reports. The non-ferrous metal part by the National Standardization Technical Committee (SAC/TC243) centralized. This section is responsible for drafting unit. MCC Huludao Nonferrous Metals Group Co., Ltd. Part 1 Drafted by. MCC Huludao Nonferrous Metals Group Co., Ltd. This section Method 2 drafting units. Beijing General Research Institute of Mining and Metallurgy. The unit participated in the drafting Part 1. Bayannaoer Zijin Nonferrous Metals Co., Ltd., Henan Yuguang Gold & Lead Co., Ltd., Beijing Mining Research Institute, People's Republic of China Liaoning Province Exit Inspection and Quarantine. This section participated in the drafting Method 2. MCC Huludao Nonferrous Metals Group Co., Zhongtiaoshan Nonferrous Metals Group Co., Ltd. Kunming Institute of Metallurgy, Daye Nonferrous Metals Group Holdings Limited. The main drafters of this Part 1. LI Qing, Li Jie, Zhao Hongyan, Li Qiongli, YU, Wang Fang, Zhang Yabing, Mary, Zhang Wei, Li Yan, Dong Xiuwen. The main drafters of this section Method 2. Dian Chen Geng, Wang Haoying, Cao Yan, Zhao Hongyan, Zhang Guanghua, often Ji Xiang, Liuying Bo, Wang Jianqin drip - Miss Li. This part of the standard replaces the previous editions are. --- GB/T 8151.7-1987, GB/T 8151.7-2000. Methods for chemical analysis of zinc concentrates Part 7. Determination of arsenic content Hydride Generation - Atomic Fluorescence Spectrometry and Potassium bromate titration

1 Scope

This section GB/T 8151 specifies the method for the determination of arsenic content in zinc concentrates. This section applies to the determination of arsenic content in the zinc concentrate. Method 1 measuring range. 0.0050% - 0.80%; Method 2 measurement range. 0.10% to 2.00%. 2 1 Hydride Generation - Atomic Fluorescence Spectrometry 2.1 Method summary Sample with nitric acid, sulfuric acid dissolution. 10% hydrochloric acid medium with thiourea - ascorbic acid pre-reduced arsenic, as well as masking copper, iron, silver And other impurities in the hydride generator, arsenic is reduced to potassium borohydride as hydride with argon gas into the quartz furnace atomizer, atomic fluorescence VIS spectrometer to measure the fluorescence intensity. 2.2 Reagents Unless otherwise indicated in the analysis using only recognized as analytical reagent and distilled or deionized water or equivalent purity. 2.2.1 Potassium Chlorate. 2.2.2 hydrochloric acid (ρ1.19g/mL). 2.2.3 nitrate (ρ1.42g/mL). 2.2.4 sulfuric acid (11). 2.2.5 sulfuric acid (14). 2.2.6 hydrochloric acid (19). 2.2.7 Potassium hydroxide (5g/L). 2.2.8 Potassium hydroxide (100g/L). 2.2.9 thiourea - ascorbic acid solution (50g/L), the day of preparation. 2.2.10 potassium borohydride solution (20g/L). Weigh 10.0g of potassium borohydride were dissolved in 500mL of potassium hydroxide solution (2.2.7), the day Formulated. 2.2.11 arsenic standard stock solution. Weigh 0.1320g sulfuric acid was dried in a dryer trioxide (wAs2O3≥99.99%) In 300mL beaker, add 20mL of potassium hydroxide (2.2.8), dissolved by heating, added 5mL of sulfuric acid (2.2.4), sulfuric acid (2.2.5) diluted To 1000mL. This solution 1mL containing 100μg arsenic. 2.2.12 arsenic standard solution. Pipette 5.00mL arsenic standard stock solution (2.2.11) in 500mL volumetric flask, was added 75mL of hydrochloric acid (2.2.2), dilute with water to volume, and mix. This solution 1mL containing 1μg of arsenic. 2.3 Instrument Atomic fluorescence spectrometer, with a special high-strength arsenic hollow cathode lamp. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 8151.7-2012_English be delivered?

Answer: Upon your order, we will start to translate GB/T 8151.7-2012_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 GB/T 8151.7-2012_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 8151.7-2012_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 GB/T 8151.7-2012?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 8151.7-2012 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.