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YS/T 509.11-2008 PDF English

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YS/T 509.11-2008: Methods for chemical analysis of spodumene and lepidolite concentrates. Determination of loss on ignition. Gravimetric method
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YS/T 509.11: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] deliveryName of Chinese StandardStatus
YS/T 509.11-2008English150 Add to Cart 0-9 seconds. Auto-delivery Methods for chemical analysis of spodumene and lepidolite concentrates. Determination of loss on ignition. Gravimetric method Valid
YS/T 509.11-2006English199 Add to Cart 2 days Methods for chemical analysis of sqodumenite and lepidolite concentrates The persulfate oxidation photometric method for the determination of manganous oxide content Obsolete

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Similar standards

GB/T 2524   GB/T 3620.1   YS/T 509.2   

YS/T 509.11-2008: Methods for chemical analysis of spodumene and lepidolite concentrates. Determination of loss on ignition. Gravimetric method


---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/YST509.11-2008
YS NONFERROUS METALS INDUSTRY STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 77.120.99 H 64 Replacing YS/T 509.12-2006 Methods for Chemical Analysis of Spodumene and Lepidolite Concentrates - Determination of Loss on Ignition - Gravimetric Method ISSUED ON: MARCH 12, 2008 IMPLEMENTED ON: SEPTEMBER 01, 2008 Issued by: National Development and Reform Commission of China

Table of Contents

Foreword ... 3 1 Scope ... 5 2 Summary of Method ... 5 3 Instrument ... 5 4 Specimen ... 5 5 Analysis Procedures ... 5 6 Calculation of the Analysis Results ... 6 7 Precision ... 6 8 Quality Assurance and Control ... 7

Foreword

YS/T 509 Methods for chemical analysis of spodumene and lepidolite concentrates consists of the following 11 parts: --- Part 1: Determination of lithium oxide sodium oxide and potassium oxide contents - Flame atomic absorption spectrometric method; --- Part 2: Determination of rubidium oxide and caesium oxide contents - Flame atomic absorption spectrometric method; --- Part 3: Determination of silicon dioxide content - Gravimetric-molybdenum blue photometric method; --- Part 4: Determination of aluminium oxide content - EDTA compleximetric method; --- Part 5: Determination of ferric oxide content - O-phenanthroline photometric method and EDTA compleximetric method; --- Part 6: Determination of phosphorus pentoxide content - The molybdenum blue photometric method; --- Part 7: Determination of beryllium oxide content – Chromazurol S and cetyltrimethyl ammonium bromide spectrophotometric met; --- Part 8: Determination of calcium oxide and magnesium oxide content - Flame atomic absorption spectrometric method; --- Part 9: Determination of fluorine content - Ion selective electrode method; --- Part 10: Determination of manganous oxide content-Persulfate oxidation photometric method; --- Part 11: Determination of loss on ignition - Gravimetric method. This Part is Part 11. This Part replaced YS/T 509.12-2006 Methods for Chemical Analysis of Spodumene and Lepidolite Concentrates - The Gravimetric Method for the Determination of Loss on Ignition (original GB/T 3885.12-1983). Compared with YS/T 509.12-2006, the major changes of this Part are as follows: --- Re-edit the text format; --- Supplement the quality assurance and control clauses; and add the repeatability clause. Methods for Chemical Analysis of Spodumene and Lepidolite Concentrates - Determination of Loss on Ignition - Gravimetric Method

1 Scope

This Part specifies the method for determining loss on ignition in spodumene and lepidolite concentrates. This Part is applicable to the determination of loss on ignition in spodumene and lepidolite concentrates.

2 Summary of Method

The test material is placed in a high-temperature furnace and burned repeatedly at 900°C~950°C to a constant weight.

3 Instrument

High-temperature furnace: Equipped with thermocouple for temperature measurement and millivoltmeter.

4 Specimen

4.1 Spodumene concentrates shall pass through a sieve with a mesh of 0.074mm; and lepidolite concentrates shall pass through a sieve with a mesh of 0.105mm. 4.2 The specimen is pre-baked at 105°C~110°C for 2h; and then placed in a desiccator to cool to room temperature.

5 Analysis Procedures

5.1 Test material Weigh 2.0g of spodumene concentrate specimen, accurate to 0.0001g. Weigh 0.50g ......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.


      

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