GB/T 5195.3-2017Fluorspar - Determination of loss in mass at 105°C - Gravimetric method (English PDF)
萤石 105℃质损量的测定 重量法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
September 7, 2017
Implementation date
June 1, 2018
Scope
GB/T 5195.3-2017 is the English-translated version of 萤石 105℃质损量的测定 重量法.
GB/T 5195.3-2017 is the Chinese standard "Fluorspar - Determination of loss in mass at 105°C - Gravimetric method". Its scope clause reads: GB/T 5195 provisions of this part of the gravimetric determination of fluorite in 105 °C quality loss method.
This section applies to the determination of the quality of fluorite in 105 °C. Measuring range (mass fraction) .0.02% ~ 10.00%. Its clauses include principle; reagents and materials; instruments; sampling and sample preparation; analysis steps.
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Document preview — GB/T 5195.3-2017
National Standard of the People's Republic of China
- ICS
- 73.080
- Classification
- D 52
- Replacing
- GB/T 5195.3-2006
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 principle
- 4 Reagents and materials
- 5 instruments
- 6 sampling and sample preparation
- 7 Analysis steps
1 Scope
GB/T 5195 provisions of this part of the gravimetric determination of fluorite in 105 °C quality loss method.
This section applies to the determination of the quality of fluorite in 105 °C. Measuring range (mass fraction) .0.02% ~ 10.00%.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 8170 rounded repair rules and limit values of the representation and judgment
GB/T 22564 fluorite sampling and sample preparation
3 principle
The sample was dried at 105 °C ± 2 °C, the determination of the quality of the loss. Its mass loss is equivalent to moisture and other volatile components at that temperature content.
4 Reagents and materials
4.1 weighing bottle
About 40mm high, diameter of about 65mm.
4.2
enamel or glass dish height of about 40mm, rectangular about 300mm ×.200mm or circular diameter of about 250mm.
5 instruments
5.1
electric oven, the temperature can be controlled 105 °C ± 2 °C.
5.2
Balance.
6 sampling and sample preparation
In accordance with the provisions of GB/T 22564 sampling and sample preparation.
7 Analysis steps
7.1 The number of tests
For the same sample, two samples shall be weighed for determination.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Similar standards
Editions of GB/T 5195.3
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 5195.3-2017 | Fluorspar - Determination of loss in mass at 105°C - Gravimetric method | current edition | Current |
| GB/T 5195.3-2006 | Fluorspar - Determination of loss in mass at 105°C - Gravimetric method | previous edition | Superseded |
This page sells the current edition, GB/T 5195.3-2017. Earlier editions are listed for reference only.
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Related Standards
GB/T 5195.4-2025 — Methods for chemical analysis of fluorspar — Part 4: Determination of total sulfur and sulfide content
GB/T 5195.2-1985 — Methods for chemical analysis of fluor-spar--The EDTA volumetric method for the determination of carbonate content
GB/T 5195.4-2006 — Fluorspar - Determination of sulfide content - Iodometric method
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