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GB/T 15927-2010 English PDF

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Q: Should I purchase the latest version GB/T 15927-2010?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 15927-2010 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$139.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 15927-2010: Method for chemical analysis of arsenic ores -- Determination of arsenic content
Status: Valid

GB/T 15927: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 15927-2010	139	Add to Cart	3 days	Method for chemical analysis of arsenic ores -- Determination of arsenic content	Valid
GB/T 15927-1995	199	Add to Cart	2 days	Method for chemical analysis of arsenic ores--Determination of arsenic content--Iodimetric method after pre-separation by fusion	Obsolete

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Basic data

Standard ID: GB/T 15927-2010 (GB/T15927-2010)
Description (Translated English): Method for chemical analysis of arsenic ores -- Determination of arsenic content
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: D51
Classification of International Standard: 73.080
Word Count Estimation: 6,634
Date of Issue: 2010-11-10
Date of Implementation: 2011-02-01
Older Standard (superseded by this standard): GB/T 15927-1995
Quoted Standard: GB/T 6682
Regulation (derived from): National Standard Approval Announcement 2010 No.8 (Total No.163)
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 method for the determination of arsenic in the arsenic content of the ore. This standard applies to the determination of arsenic content of arsenic in the ore. Measuring range: 0. 5 % arsenic.

GB/T 15927-2010: Method for chemical analysis of arsenic ores -- Determination of arsenic content

---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.
Method for chemical analysis of arsenic ores.Determination of arsenic content ICS 73.080 D51 National Standards of People's Republic of China Replacing GB/T 15927-1995 Methods for chemical analysis of arsenic ores Determination of Arsenic Issued on. 2010-11-10 2011-02-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard replaces GB/T 15927-1995 "Methods for chemical analysis of arsenic ores - alkali fusion Separation - iodometry determination of arsenic content." This standard compared with GB/T 15927-1995, the main changes are as follows. --- Modify the standard English name; --- Increased alert, warning of the content; --- Increasing the purity of the reagents used and experimental water requirements; --- Increasing the particle size of the sample and drying requirements; --- Increased verification test content. The standard proposed by the People's Republic of China Ministry of Land Resources. This standard by the National Standardization Technical Committee of Land and Resources. This standard is drafted by. National Geological Experimental Test Center. This standard was drafted. Hubei Institute of Geology. The main drafters of this standard. Zhaoxian ball, Xiong Yuxiang, Tangxing Min. This standard replaces the standards previously issued as follows. --- GB/T 15927-1995. Methods for chemical analysis of arsenic ores Determination of Arsenic Warning. Use of this standard shall have a person experiences regular laboratory work. This standard does not point out all possible security issues. Users have the responsibility to take appropriate safety and health practices and to ensure compliance with the conditions relevant national regulations.

1 Scope

This standard specifies the method for determination of arsenic content of arsenic in the ore. This standard applies to the determination of arsenic content of arsenic in the ore. Measuring range. 0.5% or more of arsenic.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. Laboratory use specifications and test methods GB/T 6682 Analysis Principle 3 After the sample sodium peroxide and sodium carbonate melt, water extraction, and the solution was acidified with sulfuric acid, reduction with potassium iodide, sodium tartrate complex lead, Tin, zinc and other elements, then iodine arsenic standard solution titration, calculate the amount of arsenic.

4 Reagents

Unless otherwise indicated in the analysis are consistent with the use of analytical reagents and GB/T 6682 water analytical laboratory. 4.1 Sodium peroxide - sodium carbonate mixed solvent (21). 4.2 sodium bicarbonate. 4.3 Hydrogen peroxide. 4.4 sulfate (11). Warning. When diluted improper operation could easily cause burns 4.5 Aqueous ammonia (11). 4.6 Sodium hydroxide solution (200g/L). 4.7 potassium iodide solution (500g/L). 4.8 sodium tartrate solution (200g/L). 4.9 sodium thiosulfate standard solution [c (Na2S2O3 · 5H2O) = 0.01mol/L]. 4.10 saturated sodium bicarbonate solution (120g/L). 4.11 iodine. 4.12 Arsenic standard solution. Weigh 1.3202g spectroscopically pure arsenic trioxide has been baked for 2h at 105 ℃, placed in 150mL beaker, add 20mL sodium hydroxide solution (4.6) is dissolved, add 2 drops of phenolphthalein solution (4.15), with sulfuric acid (4.4) and to slightly acidic solution, cooled and transferred to 1000mL volumetric flask, dilute to the mark, shake. Arsenic concentration solution is 1.0mg/mL. 4.13 iodine standard solution [c (1/2I2) = 0.01mol/L]. a) preparation. Weigh iodine (4.11) 1.27g, placed in advance plus a 40g potassium iodide and water 25mL stoppered Erlenmeyer flask, tightly after shaking Scroll to the iodine is completely dissolved and transferred to 1000mL brown bottle, water volume to 1000mL, shake; ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 15927-2010_English be delivered?

Answer: Upon your order, we will start to translate GB/T 15927-2010_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 15927-2010_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 15927-2010_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 15927-2010?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 15927-2010 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.