GB/T 2677.2-2011Determination of moisture content in fibrous raw material (English PDF)
造纸原料水分的测定
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 30, 2011
Implementation date
September 1, 2012
Scope
GB/T 2677.2-2011 is the English-translated version of 造纸原料水分的测定.
GB/T 2677.2-2011 is the Chinese standard "Determination of moisture content in fibrous raw material". Its scope clause reads: This standard specifies the method for determination of papermaking material moisture.
This standard applies to all kinds of paper-making raw material analysis measurement sample of water used. Its clauses include terms and definitions; instruments; sampling.
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Document preview — GB/T 2677.2-2011
National Standard of the People's Republic of China
- ICS
- 85.010
- Classification
- Y 30
- Replacing
- GB/T 2677.2-1993
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 5 Instruments
- 6 Sampling
1 Scope
This standard specifies the method for determination of papermaking material moisture.
This standard applies to all kinds of paper-making raw material analysis measurement sample of water used.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 2677.1 papermaking material sample taken for analysis
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1 Water moisturecontent
Prescribed method of sample before drying to constant weight by reducing the quality and drying weighed mass ratio, usually expressed as a percentage.
3.2 Constant weight
Drying the sample at a predetermined temperature, until two consecutive weighing, the poor quality of the sample before drying does not exceed 0.1% of the sample mass , That constant weight is reached.
Principle 4
Weigh the sample mass before drying, and then the sample is dried to constant weight, weighed mass again. Before the poor quality of the sample before and after drying and drying
Mass ratio, that is, the water sample.
5 Instruments
5.1 Balance
a sense of the amount of 0.0001g.
5.2 Container
for sample transfer and weighing. The container should be able to prevent the water vapor, and less prone to changes in the material under test conditions production.
5.3 Oven
maintain a constant temperature at 105 °C ± 2 °C.
5.4
dryer.
6 Sampling
According to GB/T 2677.1 predetermined sampling time does not have to GB/T 2677.1 predetermined sampling conditions should be randomly stacked from raw materials
GB/T 2678.2-2021 | GB/T 2679.1-2020 | GB/T 1541-2013 | GB/T 2679.14-2026 | GB/T 2678.3-2026 | GB/T 2678.1-2026 | […]
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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
Cited by
- LY/T 3348-2023Text methods for main chemical components of bamboo
- GB/T 35816-2018Standard method for analysis of forestry biomass－Determination of extractives content
- GB/T 742-2018Fibrous raw material, pulp, paper and board -- Determination of residue (ash) on ignition at 575 degrees C and 900 degrees C
- LY/T 2148-2013Deresination pine sawn timber
- GB/T 10742-2008Raw fiber material - Determination of pectin content
- QB/T 2493-2000Disposable Diaper (Including Diapers/Pads)
Similar standards
Editions of GB/T 2677.2
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 2677.2-2011 | Determination of moisture content in fibrous raw material | current edition | Current |
| GB/T 2677.2-1993 | Determination of moisture content in fibrous raw material | previous edition | Superseded |
This page sells the current edition, GB/T 2677.2-2011. Earlier editions are listed for reference only.
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Related Standards
GB/T 2677.1-1993 — Fibrous raw material of sampling for analysis
GB/T 2677.10-1995 — Fibrous raw material--Determination of holocellulose
GB/T 2677.4-1993 — Fibrous raw material. Determination of water solubility
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