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GB/T 5059.2-2014 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 GB/T 5059.2-2014 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 5059.2-2014: Ferromolybdenum -- Determination of antimony content -- Malachite green spectrophotometric method
Status: Valid

GB/T 5059.2: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 5059.2-2014	139	Add to Cart	3 days	Ferromolybdenum -- Determination of antimony content -- Malachite green spectrophotometric method	Valid
GB/T 5059.2-1985	199	Add to Cart	2 days	Methods for chemical analysis of ferromolybdenum--The malachite green spectrophotometric method for the determination of antimony content	Obsolete

Similar standards

GB/T 5686.5 GB/T 5686.4 GB/T 5686.2 GB/T 5059.5 GB/T 5059.7 GB/T 5059.3

Basic data

Standard ID: GB/T 5059.2-2014 (GB/T5059.2-2014)
Description (Translated English): Ferromolybdenum -- Determination of antimony content -- Malachite green spectrophotometric method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H11
Classification of International Standard: 77.100
Word Count Estimation: 6,683
Date of Issue: 6/9/2014
Date of Implementation: 1/1/2015
Older Standard (superseded by this standard): GB/T 5059.2-1985
Quoted Standard: GB/T 4010
Regulation (derived from): National Standards Bulletin No. 11 of 2014
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 malachite green spectrophotometry key iron antimony content approach. This Standard applies to the determination of the key iron antimony content. Measuring range (mass fraction): 0. 005% ~ 0. 120%.

GB/T 5059.2-2014: Ferromolybdenum -- Determination of antimony content -- Malachite green 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.
Ferromolybdenum. Determination of antimony content. Malachite green spectrophotometric method ICS 77.100 H11 National Standards of People's Republic of China Replacing GB/T 5059.2-1985 Determination of antimony content of ferromolybdenum Malachite Green Spectrophotometry Issued on. 2014-06-09 2015-01-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 5059 "ferro molybdenum" is divided into the following sections. --- Part 1. Determination of molybdenum iron molybdenum content of lead molybdate gravimetric method, ammonium metavanadate titration and 8-hydroxyquinoline gravimetric method; --- Part 2. Determination of antimony content ferromolybdenum malachite green spectrophotometry; --- Part 3. Determination of Fe, Cu, Mo Flame atomic absorption spectrometric method; --- Part 5. Determination of silicon content ferromolybdenum sulfuric acid dehydration gravimetric method and silicon molybdenum blue spectrophotometric method; --- Part 6. Determination of phosphorus content of iron molybdenum bismuth phosphomolybdate blue spectrophotometric method and the molybdenum blue spectrophotometric method; --- Part 7. Determination of carbon content ferromolybdenum The infrared absorption method; --- Part 9. molybdenum iron sulfur content Infrared absorption method and combustion iodometric method. This section GB/T 5059 Part 2. This section drafted in accordance with GB/T 1.1-2009 given rules. This Part replaces GB/T 5059.2-1985 "Methods for chemical analysis of ferromolybdenum malachite green spectrophotometric determination of antimony." This portion GB/T 5059.2-1985 compared to, in addition to editorial changes, the major technical changes are as follows. --- To increase the content of Chapter 2 and Chapter 9; --- Increase the warning. This part is proposed by the China Iron and Steel Association. This part of pig iron and ferroalloy by the National Standardization Technical Committee (SAC/TC318) centralized. This section is drafted. Sinosteel Jilin Ferroalloy Co., Ltd. The main drafters of this section. Yuan Ping, Zhang Yu Shuai, Gu Xin, Wu Liyu, high Yumin. This part of the standard replaces the previous editions are. --- GB/T 5059.2-1985. Determination of antimony content of ferromolybdenum Malachite Green Spectrophotometry Warning. Use of this section shall be 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

GB/T 5059 provisions of this part of the malachite green spectrophotometric determination of molybdenum iron antimony content approach. This section applies to the determination of molybdenum iron antimony content. Measurement range (mass fraction). 0.005% and 0.120%.

2 Normative references

The following documents for the application of this document is essential, dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 4010 alloy chemical analysis and preparation of samples Principle 3 The sample was dissolved by nitric acid, sulfuric acid treatment white smoke, dissolved salts with hydrochloric acid, was added tin dichloride in an acidic solution, the reduction of antimony into three Price, then with sodium nitrite oxidizing trivalent to pentavalent antimony, with the destruction of excess urea sodium nitrite added malachite green and pentavalent antimony generate green Complexes, extracted with toluene, measured at 640nm wavelength spectrophotometer absorbance.

4 Reagents and materials

Unless otherwise indicated in the analysis using only recognized as analytical grade reagents and distilled water or its equivalent purity water. 4.1 toluene. 4.2 nitric acid, 13. 4.3 hydrochloric acid, 11. 4.4 sulfuric acid, 11. 4.5 sulfuric acid, 18. 4.6 stannous chloride solution, 10g of stannous chloride dissolved in 100mL of hydrochloric acid (4.3), and mix well. 4.7 sodium nitrite solution, 100g/L. 4.8 urea solution, the urea weighed 50g, was dissolved in 50mL of water, mix, cool to room temperature. 4.9 malachite green solution, weighed 0.5g malachite green, was dissolved in 100mL (3 1) of ethanol, and mix. 4.10 Antimony standard solution. 4.10.1 Weigh 0.1000g antimony (mass fraction greater than 99.9%), was dissolved in 50mL of concentrated sulfuric acid, concentrated sulfuric acid was added 50mL cold but. Moved into the pre-filled with 600mL of water 1000mL volumetric flask, dilute with water to volume, and mix. This solution containing 1mL 0.1mg antimony. 4.10.2 Pipette 10.00mL antimony standard solution (4.10.1), placed in 500mL volumetric flask, dilute sulfuric acid (4.5) to the mark and mix. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 5059.2-2014_English be delivered?

Answer: Upon your order, we will start to translate GB/T 5059.2-2014_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 5059.2-2014_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 5059.2-2014_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 5059.2-2014?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 5059.2-2014 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.