GB/T 36055-2018Method for analysis of forestry biomass—Determination of moisture content (English PDF)
林业生物质原料分析方法 含水率的测定
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
March 15, 2018
Implementation date
October 1, 2018
Scope
GB/T 36055-2018 is the English-translated version of 林业生物质原料分析方法 含水率的测定.
GB/T 36055-2018 is the Chinese method for determining the moisture content of forestry biomass raw materials by oven drying.
A sample is weighed, dried at 105 °C to constant weight and weighed again, and the loss of mass is related either to the mass before drying, giving the wet basis moisture content, or to the dried mass, giving the dry basis moisture content.
The document defines constant weight and both moisture contents and covers the principle, instruments including a balance reading to 0.0001 g, the test procedure, calculation of results and the test report.
Sampling and sample preparation follow GB/T 35820-2018 and GB/T 35814-2018. It does not apply to feedstock with a high volatile content or that is unstable at 105 °C. It was issued on 15 March 2018 and has applied since 1 October 2018.
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Document preview — GB/T 36055-2018
National Standard of the People's Republic of China
- ICS
- 79.010
- Classification
- B 60
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Principle
- 5 Instruments
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
1 Scope
This standard specifies the terms and definitions, principles, instruments, test procedures, results calculations and tests for determining the moisture content of forestry biomass raw materials. report.
This standard applies to the determination of the moisture content of forestry biomass raw materials with stable physical and chemical properties at 105°C. It does not apply to high volatile matter content. Or unstable forestry biomass feedstock.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this document. For undated references, the latest version (including all amendments) applies to this document.
GB/T 35820-2018 forestry biomass raw material analysis method sampling method
GB/T 35814-2018 Analysis of forestry biomass feedstock sample processing methods
3 Terms and definitions
The following terms and definitions apply to this document.
3.1 Constant weight
The sample is dried at the specified temperature until the difference between the mass of the sample does not exceed 0.1% of the mass of the original sample in two successive weighings. status.
3.2 Moisture content on wet basis
The ratio of the reduced mass of the sample after drying to constant weight according to the specified method and the mass of the sample before drying.
Note: expressed as a percentage.
3.3 Moisture content on dry basis
The ratio of the reduced mass of the sample after drying to constant weight according to the specified method and the mass of the dried sample when dried to constant weight.
Note: expressed as a percentage.
4 Principle
Weigh the sample before drying, dry the sample to constant weight and weigh it. The difference between the quality of the sample before and after drying and the quality before drying The ratio is the wet basis moisture content of the sample; the difference between the quality of the sample before and after drying and the mass of the sample after drying is the dry basis of the sample. Water rate.
5 Instruments
5.1 Balance. Sensitivity 0.0001g.
......
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
Normative references
Cited by
- GB/T 29899-2024Determination of the emission of volatile organic compounds from wood-based panels and furnishing products—Small chamber method
- LY/T 3415-2024Testing method for volatile organic compounds(VOC) in forestry biomass raw materials
- GB/T 41716-2022Determination of main active ingredient in lacquer trees—High preformance liquid chromatography
- GB/T 36056-2018Method for analysis of forestry biomass—Determination of soluble saccharides content
- GB/T 36057-2018Method for analysis of forestry biomass—Determination of ash content
- GB/T 36058-2018Method for analysis of forestry biomas—Determination of insoluble saccharides content
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Related Standards
GB/T 35814-2018 — Method for analysis of forestry biomass—Preparation of samples
GB/T 35820-2018 — Method for analysis of forestry biomass — Sampling methods
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