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YS/T 575.19-2007

Chinese Standard: 'YS/T 575.19-2007'
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YS/T 575.19-2007English70 Add to Cart 0--15 minutes. Auto immediate delivery. Methods for chemical analysis of bauxite. Part 19: Determination of the loss on ignition. Gravimetric method Valid YS/T 575.19-2007
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Detail Information of YS/T 575.19-2007; YS/T575.19-2007
Description (Translated English): Methods for chemical analysis of bauxite. Part 19: Determination of the loss on ignition. Gravimetric method
Sector / Industry: Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard: Q52
Classification of International Standard: 71.100.10
Word Count Estimation: 5,597
Date of Issue: 2007-11-14
Date of Implementation: 2008-05-01
Older Standard (superseded by this standard): YS/T 575.19-2006
Quoted Standard: YS/T 575.22-2007
Drafting Organization: Zhengzhou Research Institute Aluminum Corporation of China
Administrative Organization: National Standardization Technical Committee of non-ferrous metals
Regulation (derived from): NDRC Notice No. 77 of 2007
Proposing organization: National Nonferrous Metals Standardization Technical Committee
Issuing agency(ies): National Development and Reform Commission
Summary: This standard specifies the bauxite Determination of loss on ignition method. This standard applies to the burning of bauxite Determination of loss. Measuring range: 10% to 30%.

YS/T 575.19-2007
YS
NONFERROUS METAL INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
ICS 71.100.10
Q 52
Replacing YS/T 575.19-2006
Methods for chemical analysis of bauxite –
Part 19. Determination of the loss on ignition –
Gravimetric method
铝土矿石化学分析方法
第 19部分. 烧碱量的测定 重量法
ISSUED ON. NOVEMBER 14, 2007
IMPLEMENTED ON. MAY 01, 2008
Issued by. National Development and Reform Commission
Table of contents
Foreword ... 3 
1 Scope ... 6 
2 Normative references ... 6 
3 Principle of method ... 6 
4 Instrument ... 6 
5 Samples ... 7 
6 Analysis procedures ... 7 
7 Presentation of analysis results ... 8 
8 Precision... 8 
9 Inspection report ... 9 
Foreword
YS/T 575-2007 “Methods for chemical analysis of bauxite” is the modification
of YS/T 575-2006 (formerly GB/T 3257-1999), AND it is consisted of 24 parts in
total.
Part 1. Determination of aluminum oxide content - EDTA titrimetric method
Part 2. Determination of silicon dioxide content - Gravimetric-molybdenum
blue photometric method
Part 3. Determination of silicon dioxide content - Molybdenum blue
photometric method
Part 4. Determination of iron oxide content - Potassium titrimetric method
Part 5. Determination of iron oxide content - Orthophenanthroline
photometric method
Part 6. Determination of titanium dioxide content - Diantipyrylmethane
photometric method
Part 7. Determination of calcium oxide content - Flame atomic absorption
spectrophotometric method
Part 8. Determination of magnesium oxide content - Flame atomic absorption
spectrophotometric method
Part 9. Determination of potassium oxide, sodium oxide content - Flame
atomic absorption spectrophotometric method
Part 10. Determination of manganese oxide content - Flame atomic
absorption spectrophotometric method
Part 11. Determination of chromium oxide content - Flame atomic absorption
spectrophotometric method
Part 12. Determination of vanadium pentoxide content - N-benzoyl-N-
phenylhydroxylamine photometric method
Part 13. Determination of zinc content - Flame atomic absorption
spectrophotometric method
Part 14. Determination of total content of rare earth oxide - Tribromo-
arsenazo photometric method
This part replaces the standard previously issued as follows.
- YS/T 575.19-2006 (formerly GB/T 3257.21-1999).
Methods for chemical analysis of bauxite –
Part 19. Determination of the loss on ignition -
Gravimetric method
1 Scope
This part specifies the determination method for the loss on ignition of bauxite.
This part applies to determination of the loss on ignition in the bauxite ore, AND
the determination range is 10% ~ 30%.
2 Normative references
The provisions in following documents become the provisions of this part
through reference in this part. For the dated references, the subsequent
amendments (excluding corrections) or revisions do not apply to this part;
however, parties who reach an agreement based on this part are encouraged
to study if the latest versions of these documents are applicable. For undated
references, the latest edition of the referenced document applies.
YS/T 575.22-2007 Methods for chemical analysis of bauxite - Determination
of hydroscopic moisture on gravimetric method
3 Principle of method
PLACE the sample into the crucible which is preheated to constant weight; in
the 375 °C ± 25 °C high temperature furnace, HEAT it for 10 min. COVER the
crucible and TRANSFER it into another high temperature furnace; at 1075 °C
± 25 °C, HEAT it to constant weight. As for the result of the loss on ignition, USE
the amount of the raw moisture to calibrate it.
4 Instrument
4.1 Flat type vial. the size is sufficient to contain the required amount of sample,
AND the layer density of sample is about 5 mg/mm2.
Related standard:   YS/T 575.25-2014  YS/T 575.23-2009
   
 
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