YS/T 555.11-2009Methods for chemical analysis of molybdenum concentrate. Determination of oil and moisture content. Gravimetry (English PDF)
钼精矿化学分析方法油和水分总含量的测定重量法
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Issued by
Ministry of Industry and Information Technology of the PRC
Level / Type
National · Recommended
Issue date
December 4, 2009
Implementation date
June 1, 2010
Scope
YS/T 555.11-2009 is the English-translated version of 钼精矿化学分析方法油和水分总含量的测定重量法.
YS/T 555.11-2009 — This Part specifies the method for determining the oil and moisture content of molybdenum concentrate. This Part applies to the determination of oil and moisture content in loose molybdenum concentrate. The determination range is 0.50%~15.00%.
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Document preview — YS/T 555.11-2009
National Standard of the People's Republic of China
- ICS
- 77.120.99
- Classification
- H 14
Issued by: Ministry of Industry and Information Technology of the PRC
Contents
- Foreword...3
- 1 Scope...5
- 2 Method summary...5
- 3 Instruments...5
- 4 Analytical procedures...5
- 5 Calculation of analysis results...6
- 6 Precision...6
- 7 Quality assurance and control...7
Foreword
YS/T 555 "Methods for chemical analysis of molybdenum concentrate" consists
of 11 parts:
YS/T 555.1 Methods for chemical analysis of molybdenum concentrate -
Determination of molybdenum content - Lead molybdenum gravimetry
YS/T 555.2 Methods for chemical analysis of molybdenum concentrate -
Determination of silicon dioxide content - Silicon molybdenum blue
spectrophotometry and gravimetry
YS/T 555.3 Methods for chemical analysis of molybdenum concentrate -
Determination of arsenic content - Atomic fluorescence spectrometry
YS/T 555.4 Methods for chemical analysis of molybdenum concentrate -
Determination of tin content - Atomic fluorescence spectrometry
YS/T 555.5 Methods for chemical analysis of molybdenum concentrate -
Determination of phosphorus content - Phosphorus molybdenum blue
spectrophotometry
YS/T 555.6 Methods for chemical analysis of molybdenum concentrate -
Determination of copper, lead, bismuth and zinc content - Flame atomic
absorption spectrometry
YS/T 555.7 Methods for chemical analysis of molybdenum concentrate -
Determination of calcium oxide content - Flame atomic absorption
spectrometry
YS/T 555.8 Methods for chemical analysis of molybdenum concentrate -
Determination of tungsten content - Thiocyanate spectrophotometry
YS/T 555.9 Methods for chemical analysis of molybdenum concentrate -
Determination of potassium and sodium content - Flame atomic absorption
spectrometry
YS/T 555.10 Methods for chemical analysis of molybdenum concentrate -
Determination of rhenium content - Thiocyanate spectrophotometry
YS/T 555.11 Methods for chemical analysis of molybdenum concentrate -
Determination of oil and moisture content - Gravimetry
This Part is Part 11.
This Part replaces YS/T 555.12-2006 "Molybdenum concentrates -
Methods for chemical analysis of molybdenum
concentrate - Determination of oil and moisture
content - Gravimetry
1 Scope
This Part specifies the method for determining the oil and moisture content of
molybdenum concentrate.
This Part applies to the determination of oil and moisture content in loose
molybdenum concentrate. The determination range is 0.50%~15.00%.
2 Method summary
WEIGH the molybdenum concentrate sample; at (150±5)°C, DRY it to a
constant mass; determine the oil and moisture content.
3 Instruments
3.1 Analytical balance: The division value is 0.001 g.
3.2 Drying oven: It has an adjustable temperature-control device, with a
temperature error of less than ±5 °C. It also has a blower device which can
make the air in the drying oven flow without blowing away the sample.
4 Analytical procedures
4.1 Sample
WEIGH 10 g of sample, accurate to 0.001 g.
4.2 Number of determinations
Perform 2 determinations independently. TAKE the average. If the two analysis
results are out of the error range, re-sample for determination.
4.3 Determination
PLACE the sample (4.1) in a dry, pre-constant weight weighing bottle of known
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 7 pages — is available in the English PDF.
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Related Standards
YS/T 555.1-2009 — Methods for chemical analysis of molybdenum concentrate. Determination of molybdenum content. Lead molybdenum gravimetry
YS/T 555.10-2009 — Methods for chemical analysis of molybdenum concentrate. Determination of rhenium content. Thiocyanate spectrophotometry
YS/T 555.2-2009 — Methods for chemical analysis of molybdenum concentrate. Determination of silicon dioxide content. Silicon molybdenum blue spectrophotometry and gravimetry
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YS/T 555.11-2009
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