GB/T 35905-2018Test methods for biomass—Determination of total solids in biomass (English PDF)
林业生物质原料分析方法 总固体含量测定
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
February 6, 2018
Implementation date
September 1, 2018
Scope
GB/T 35905-2018 is the English-translated version of 林业生物质原料分析方法 总固体含量测定.
GB/T 35905-2018 gives the method for determining the total solids content of forestry biomass raw materials. The sample is heated at 105 °C to constant weight, and the total solids are calculated from the mass of the residue that remains.
The standard defines what is meant by a chemically stable feedstock and by dry solid matter, and it refers sampling to GB/T 35820-2018 and sample preparation to GB/T 35814-2018, with the biomass vocabulary taken from GB/T 30366-2013.
It applies to feedstocks that are chemically stable at 105 °C, while its method B is not used for feedstocks with a bulk density below 0.1 g/cm³. Laboratories analysing forestry biomass feedstocks use it together with the sampling and sample-processing standards it cites. It was issued on 6 February 2018 and has applied since 1 September 2018.
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Document preview — GB/T 35905-2018
National Standard of the People's Republic of China
- ICS
- 65.020.01
- 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 Sampling and preparation
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
1 Scope
This standard specifies the method for determining the total solid content of forestry biomass raw materials.
This standard applies to the determination of chemically stable forestry biomass feedstocks at 105°C. Method B is not applicable to the determination of bulk density. Less than 0.1g/cm³ of 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 30366-2013 biomass terminology
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 terms and definitions defined in GB/T 30366-2013 and the following apply to this document.
3.1 Chemically stable
The raw material does not react chemically under the temperature of 105°C.
3.2 Dry solid matter
The remaining solid dry material was obtained by heating to constant weight at 105°C.
4 Principle
Heat the forest biomass sample to constant weight at 105°C as specified in this standard. Calculate the total solids by measuring the mass of the residue. content.
5 Sampling and preparation
5.1 Sampling
Sampling according to the provisions of GB/T 35820-2018.
5.2 Preparation
Samples were prepared according to the provisions of GB/T 35814-2018.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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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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GB/T 35905-2018
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