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GB/T 5059.1-2014 English PDF

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GB/T 5059.1-2014: Ferromolybdenum -- Determination of molybdenum content -- Lead molybdate gravimetric method, ammonium metavanadate titration method and 8-hydroxyquinoline gravimetric method
Status: Valid

GB/T 5059.1: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 5059.1-2014English229 Add to Cart 3 days [Need to translate] Ferromolybdenum -- Determination of molybdenum content -- Lead molybdate gravimetric method, ammonium metavanadate titration method and 8-hydroxyquinoline gravimetric method Valid GB/T 5059.1-2014
GB/T 5059.1-1985English199 Add to Cart 2 days [Need to translate] Methods for chemical analysis of ferromolybdenum--The 8-hydroxyquinoline gravimetric method for the determination of molybdenum Obsolete GB/T 5059.1-1985

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Basic data

Standard ID GB/T 5059.1-2014 (GB/T5059.1-2014)
Description (Translated English) Ferromolybdenum -- Determination of molybdenum content -- Lead molybdate gravimetric method, ammonium metavanadate titration method and 8-hydroxyquinoline gravimetric method
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H11
Classification of International Standard 77.100
Word Count Estimation 10,114
Date of Issue 6/9/2014
Date of Implementation 1/1/2015
Older Standard (superseded by this standard) GB/T 5059.1-1985
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 lead molybdate gravimetric method, Lvtie method for the determination of molybdenum content metavanadate titration and 8-hydroxy quinoline gravimetric method. This Standard applies to the determination of Molybdenum content. Me

GB/T 5059.1-2014: Ferromolybdenum -- Determination of molybdenum content -- Lead molybdate gravimetric method, ammonium metavanadate titration method and 8-hydroxyquinoline gravimetric 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 molybdenum content. Lead molybdate gravimetric method, ammonium metavanadate titration method and 8-hydroxyquinoline gravimetric method ICS 77.100 H11 National Standards of People's Republic of China Replacing GB/T 5059.1-1985 Determination of molybdenum iron molybdenum content Lead molybdate gravimetric method, ammonium metavanadate and titration 8-hydroxyquinoline gravimetric method Leadmolybdategravimetricmethod, ammoniummetavanadatetitrationmethodand 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 1. This section drafted in accordance with GB/T 1.1-2009 given rules. This Part replaces GB /"determination of molybdenum content of molybdenum iron chemical analysis of 8-hydroxyquinoline gravimetric method" T 5059.1-1985. This portion GB/T 5059.1-1985 compared to, in addition to editorial changes, the major technical changes are as follows. --- Increased Chapters 2 and 6 chapters; --- Increased the lead molybdate gravimetric method; --- Increased metavanadate titration; --- Of 8-hydroxyquinoline gravimetric method has been revised. 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., Luoyang Luanchuan Molybdenum Group Co., Ltd. The main drafters of this section. high Yumin, Liu, Yuan Ping, Liya Hua, Nie Shulan, Tian Yonghong. This part of the standard replaces the previous editions are. --- GB/T 5059.1-1985. Determination of molybdenum iron molybdenum content Lead molybdate gravimetric method, ammonium metavanadate and titration 8-hydroxyquinoline gravimetric method 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

This section GB/T 5059 specifies the gravimetric method of lead molybdate, ammonium metavanadate titration and 8-hydroxyquinoline gravimetric method for the determination of Molybdenum containing Method quantity. This section applies to the determination of Molybdenum content. Measurement range (mass fraction). 50.00% - 75.00%.

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 Method 3 a lead molybdate gravimetric method 3.1 Principle Sample with nitric acid, ammonium fluoride, dissolved in hydrochloric acid, if the residue is recovered with sodium hydroxide separating interfering elements such as iron, was added ethylene diamine tetra Disodium further masking interfering elements, in acetic acid - presence of ammonium acetate, acetic acid is reacted with molybdenum lead generation lead molybdate precipitate was filtered, washed, At 550 ℃ burning, in the form of lead molybdate weighed to calculate the content of molybdenum. 3.2 Reagents and materials Unless otherwise indicated in the analysis using only recognized as analytical grade reagents and distilled water or its equivalent purity water. 3.2.1 ammonium fluoride, solid. 3.2.2 mixed flux, anhydrous sodium carbonate. anhydrous potassium carbonate = 1/1. 3.2.3 hydrochloride, ρ = 1.19g/mL. 3.2.4 glacial acetic acid, ρ = 1.05g/mL. 3.2.5 ammonia, ρ = 0.90g/mL. 3.2.6 nitrate, 23. 3.2.7 hydrochloric acid, 11. 3.2.8 sodium hydroxide solution, 500g/L. 3.2.9 ammonia, 11. 3.2.10 edetate disodium solution, 50g/L. 3.2.11 acetic acid - ammonium acetate solution, weighed 250g of ammonium acetate dissolved in 500mL of water was added 150mL glacial acetic acid (3.2.4), filtered

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