GB/T 3286.5-2014 English PDF

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GB/T 3286.5-2014: Method for chemical analysis of limestone and dolomite -- Part 5: The determination of manganese oxide content -- The periodate oxidation spectrophotometric method
Status: Valid

GB/T 3286.5: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 3286.5-2014	229	Add to Cart	3 days	Method for chemical analysis of limestone and dolomite -- Part 5: The determination of manganese oxide content -- The periodate oxidation spectrophotometric method	Valid
GB/T 3286.5-1998	199	Add to Cart	2 days	Methods for chemical analysis of limestone and dolomite--The determination of manganese oxide content	Obsolete
GB/T 3286.5-1982	RFQ	ASK	3 days	Chemical analysis of limestone and dolomite--The EDTA volumetric method for determination of aluminium oxide	Obsolete

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Basic data

Standard ID: GB/T 3286.5-2014 (GB/T3286.5-2014)
Description (Translated English): Method for chemical analysis of limestone and dolomite -- Part 5: The determination of manganese oxide content -- The periodate oxidation spectrophotometric method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: D52
Classification of International Standard: 73.080
Word Count Estimation: 10,141
Date of Issue: 6/9/2014
Date of Implementation: 1/1/2015
Older Standard (superseded by this standard): GB/T 3286.5-1998
Quoted Standard: GB/T 2007.2; GB/T 6379.2; GB/T 6682; GB/T 8170
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 spectrophotometric oxidation with periodate spectrophotometric determination of manganese oxide content. This Standard applies to limestone, dolomite right manganese content (MnO meter) side of the set, also apply to the determ

GB/T 3286.5-2014: Method for chemical analysis of limestone and dolomite -- Part 5: The determination of manganese oxide content -- The periodate oxidation 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.
Method for chemical analysis of limestone and dolomite Part 5. The determination of manganese oxide content The periodate oxidation spectrophotometric method. ICS 73.080 D52 National Standards of People's Republic of China Replacing GB/T 3286.5-1998 Methods for chemical analysis of limestone and dolomite Determination of manganese oxide content. Part 5 Periodate oxidation spectrophotometry Part 5. Thedeterminationofmanganeseoxidecontent- 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 3286 "Methods for chemical analysis of limestone and dolomite" is divided into nine sections. --- Part 1. calcium oxide and magnesium oxide content complexometric titration and flame atomic absorption spectrometry; --- Part 2. Determination of silica content of silicon molybdenum blue spectrophotometric method and perchloric acid dehydration gravimetric method; --- Part 3. Determination of alumina content of chromium azure S spectrophotometric and complexometric titration; --- Part 4. Determination of iron oxide content of phenanthroline spectrophotometric method and the flame atomic absorption spectrometry; --- Part 5. Determination of periodate oxidation of manganese oxide spectrophotometry; --- Part 6. Determination of phosphorus content of phosphorus molybdenum blue spectrophotometric method; --- Part 7. Determination of sulfur content tube furnace combustion - potassium iodate titration method, high-frequency combustion infrared absorption method and barium sulfate gravimetric method; --- Part 8. Determination of the weight loss on ignition; --- Part 9. Determination of carbon dioxide content of the caustic asbestos absorption gravimetric method. This section GB/T 53286 Part of. This section drafted in accordance with GB/T 1.1-2009 given rules. This Part replaces GB/T 3286.5-1998 "limestone, dolomite chemical analysis of manganese oxide content determination." This section compared with the GB/T 3286.5-1998, the main technical changes are as follows. --- The standard name be changed to "chemical analysis of limestone and dolomite - Part 5. Determination of oxygen periodate oxidation of manganese content Spectrophotometry "; --- Normative references canceled the reference standard reign, and adds some reference standards; --- Carried out jointly between laboratory precision test statistics obtained by the repeatability limit (r) and reproducibility limit R instead of "allowable difference"; --- Change the part of the text expression. This part is proposed by the China Iron and Steel Association. This part of the National Steel Standardization Technical Committee (SAC/TC183) centralized. This section is drafted. Wuhan Iron and Steel (Group) Corporation, Metallurgical Industry Information Standards Institute. The main drafters of this section. Wen east, Chen Shihua, Shao Mei, Zhang Suizhong, CAO Hong-yan, Zhu Friends, Wu Lixin, Choujin Hui, Gao Jianping, Wang Jiang. This part of the standard replaces the previous editions are. --- GB/T 3286.5-1984, GB/T 3286.5-1998. Methods for chemical analysis of limestone and dolomite Determination of manganese oxide content. Part 5 Periodate oxidation spectrophotometry Warning. Use of this section shall have regular laboratory personnel working practices. This section does not indicate that all possible security issues, use Those who have the responsibility to take appropriate safety and health practices and to ensure compliance with the conditions relevant national regulations.

1 Scope

GB/T 3286 provisions of this part of the spectral oxidation with periodate spectrophotometric determination of manganese oxide content. This section applies to limestone and dolomite - The determination of manganese oxide (MnO in volume), but also applies to the metallurgical manganese oxide containing lime Determination of the amount. Measurement range (mass fraction). manganese oxide content of 0.005% to 0.50%.

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. GB/T 2007.2 bulk minerals sampling and sample preparation General manual sample preparation method GB/T 6379.2 measurement methods and results of Accuracy (trueness and precision) - Part 2. Determine the standard measurement method to repeat Of the basic methods of reproduction Laboratory use specifications and test methods GB/T 6682 Analysis GB/T 8170 repair value expressed about the rules and limit values \u200b\u200band judgment Principle 3 High temperature burning sample decomposition with hydrochloric acid, perchloric acid, perchloric acid smoke. In phosphoric acid medium, under heating conditions with periodate dicarboxylic Seven-valent manganese oxidation of manganese, the absorbance is measured in a spectrophotometer at a wavelength of 525nm.

4 Reagents

4.1 Analysis Unless otherwise stated, use only reagents of recognized analytical grade and in line with GB/T 6682 provisions or distilled water three or more Equivalent purity water. 4.2 hydrochloric acid, 11. Perchloric acid 4.3, ρ = 1.67g/mL. 4.4 phosphoric acid, 11. 4.5 sodium (potassium) solution, 20g/L. Weigh 10g sodium (potassium) in the beaker, add 300mL water, add 20mL of nitric acid (11), warmed to dissolve, dilute with water to 500mL, and mix. Note. The preparation of high potassium iodate solution when cooled to room temperature, low temperature may have a little crystal precipitation, does not affect the results. ......

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