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GB/T 29875-2013 English PDF

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US$299.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 29875-2013: Determination of lead, arsenic, mercury in phosphate rock and concentrate
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 29875-2013	299	Add to Cart	3 days	Determination of lead, arsenic, mercury in phosphate rock and concentrate	Valid

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Basic data

Standard ID: GB/T 29875-2013 (GB/T29875-2013)
Description (Translated English): Determination of lead, arsenic, mercury in phosphate rock and concentrate
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: D51
Classification of International Standard: 73.080
Word Count Estimation: 13,183
Quoted Standard: GB/T 602; GB/T 603; GB/T 6003.1; GB/T 6682; GB/T 9723
Regulation (derived from): National Standards Bulletin No. 22 of 2013
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 determination of phosphate rock and phosphate concentrates of lead, arsenic, mercury content. This standard applies to Phosphate rock and concentrate lead content greater than 0. 001%, 0. 000 arsenic levels greater than 2%, the

GB/T 29875-2013: Determination of lead, arsenic, mercury in phosphate rock and concentrate

---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.
Determination of lead, arsenic, mercury in phosphate rock and concentrate ICS 73.080 D51 National Standards of People's Republic of China Phosphate rock and concentrate Determination of lead, arsenic, mercury content Issued on. 2013-11-12 2014-05-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard is prepared in accordance with GB/T 1.1-2009 given rules. The standard proposed by China Petroleum and Chemical Industry Association. This standard is under the jurisdiction of Chemical Industry Standardization Technical Committee chemical mine. This standard drafting of the main unit. in blue with the sea and Design Institute, Yunnan Phosphate Group Co., Ltd., China National Bluestar (Group) Company Limited Division Wengfu (Group) Co., Ltd., Sichuan Hongda Co., Ltd., Lianyungang CIQ. The main drafters. Zhang Xiaomei, Zhang literature, Zhou Jianjun, Zhang Renzhong, Europe Yun Feng, Xia Xinyuan. Phosphate rock and concentrate Determination of lead, arsenic, mercury content

1 Scope

This standard specifies the method for determination of phosphate rock and phosphate concentrate of lead, arsenic, mercury content. This standard applies to Phosphate rock and concentrate of lead content of more than 0.0010%, the arsenic content of more than 0.0002% mercury content greater than 0.00001% measurement.

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. Preparation of standard solution of GB/T 602 Determination of impurities in chemical reagents GB/T 603 chemical reagent in test methods - Preparations with GB/T 6003.1 Test sieves - Technical requirements and testing - Part 1. Test sieves of metal wire cloth Laboratory use specifications and test methods GB/T 6682 Analysis GB/T 9723 Chemicals flame atomic absorption spectrometry General

3 Sample

In line with the sample passes through 125μm test sieve GB/T 6003.1 regulations, at 105 ℃ ~ 110 ℃ drying 2h above, placed in the dryer Cool to room temperature. Test Method 4 4.1 General Unless otherwise indicated, the analysis uses only recognized as analytical reagent or analytical grade level and above, the water must meet GB/T 6682 Two water requirements. Standard used in the preparation of reagents and solutions, and does not indicate when the method of preparation, shall be according to GB/T 602, GB/T 603's Provisions. Determination of lead content of 4.2 atomic absorption spectrometry 4.2.1 Method summary Samples with hydrochloric acid - nitric acid dissolved in dilute nitric acid medium, using acetylene - air flame atomic absorption spectrometer at a wavelength of 283.3nm Measuring the absorbance of the sample solution, while deduct background interference, working curve method to determine the phosphate content of lead in the sample. 4.2.2 Reagents and solutions 4.2.2.1 hydrochloric acid (excellent pure). 4.2.2.2 nitrate (excellent pure). 4.2.2.3 nitric acid solution. 11. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 29875-2013_English be delivered?

Answer: Upon your order, we will start to translate GB/T 29875-2013_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 29875-2013_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 29875-2013_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.