GB/T 40272-2021Paper, board, pulps and cellulose nanomaterials - Determination of acid-soluble magnesium, calcium, manganese, iron, copper, sodium and potassium (English PDF)
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Issued by
State Administration for Market Regulation, China National Standardization Administration
Level / Type
National · Recommended
Issue date
May 21, 2021
Implementation date
December 1, 2021
Scope
GB/T 40272-2021 (Paper, board, pulps and cellulose nanomaterials - Determination of acid-soluble magnesium, calcium, manganese, iron, copper, sodium and potassium) is available as an English-translated PDF.
GB/T 40272-2021 is the Chinese standard "Paper, board, pulps and cellulose nanomaterials - Determination of acid-soluble magnesium, calcium, manganese, iron, copper, sodium and potassium".
Its scope clause reads: This standard specifies the use of atomic absorption spectroscopy (AAS) or inductively coupled plasma emission spectrometry (ICP-OES) for the determination of paper, paper A method of acid-soluble magnesium, calcium, manganese, iron, copper, sodium, and potassium in board, pulp and cellulose nanomaterials.
This standard applies to paper, cardboard, pulp and cellulose nanomaterials.
The detection limit of magnesium in this standard is 0.4mg/kg; the detection limit of calcium is 0.2mg/kg; the detection limit of manganese is 0.4mg/kg; the detection limit of iron is The limit of detection is 1.0mg/kg; the detection limit of copper is 0.6mg/kg; the detection limit of sodium is 0.4mg/kg; the detection limit of potassium is 1.2mg/kg. Its clauses include terms and definitions.
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Document preview — GB/T 40272-2021
National Standard of the People's Republic of China
- Classification
- Y 30
Issued by: State Administration for Market Regulation, China National Standardization Administration
Contents
- Foreword
- 1 Scope
- 2 Normative references
1 Scope
This standard specifies the use of atomic absorption spectroscopy (AAS) or inductively coupled plasma emission spectrometry (ICP-OES) for the determination of paper, paper
A method of acid-soluble magnesium, calcium, manganese, iron, copper, sodium, and potassium in board, pulp and cellulose nanomaterials.
This standard applies to paper, cardboard, pulp and cellulose nanomaterials.
The detection limit of magnesium in this standard is 0.4mg/kg; the detection limit of calcium is 0.2mg/kg; the detection limit of manganese is 0.4mg/kg; the detection limit of iron is
The limit of detection is 1.0mg/kg; the detection limit of copper is 0.6mg/kg; the detection limit of sodium is 0.4mg/kg; the detection limit of potassium is 1.2mg/kg.
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article
Pieces. For undated reference documents, the latest version (including all amendments) is applicable to this document.
The collection of GB/T 450 paper and paperboard samples and the determination of the longitudinal and transverse directions, front and back sides of the samples (GB/T 450-2008, ISO 186.
2002, MOD)
GB/T 462 Determination of the moisture content of paper, paperboard and pulp analysis samples (GB/T 462-2008, ISO 287.1985, ISO 638.
1978, MOD)
The collection of GB/T 740 pulp samples (GB/T 740-2003, ISO 7213.1981, IDT)
GB/T 6682 Analytical laboratory water specifications and test methods (GB/T 6682-2008, ISO 3696.1987, MOD)
GB/T 22877 Determination of burning residue (ash content) of paper, paperboard and pulp (525 °C) (GB/T 22877-2008,
ISO 1762.2001, MOD)
3 Terms and definitions
The following terms and definitions apply to this document.
3.1 Celulosenanomaterial
A material composed of cellulose with a diameter between 1nm and 100nm, and the internal or external structure is composed of nanometer (3.2) fibers
Elementary composition of the material.
3.2 Nanoscale
The size is between 1nm and 100nm.
GB/T 40166 | GB/T 40167 | GB/T 40168 | GB/T 40274 | GB/T 40269 | […]
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 30 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 450Paper and board -- Sampling for testing and identification of machine and cross direction, wire side and felt side
- GB/T 450-2008Paper and board -- Sampling for testing and identification of machine and cross direction, wire side and felt side
- GB/T 462Paper, board and pulps - Determination of moisture content of analytical sample
- GB/T 462-2008Paper, board and pulps - Determination of moisture content of analytical sample
- GB/T 740Pulps -- Sampling for testing
- GB/T 740-2003Pulps -- Sampling for testing
ISO 186 · ISO 287.1985 · ISO 638 · ISO 7213.1981 · ISO 3696.1987 · ISO 1762.2001
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Related Standards
GB/T 22877-2023 — Paper, board, pulps and cellulose nanomaterials - Determination of residue (ash content) on ignition at 525 ℃
GB/T 450-2008 — Paper and board -- Sampling for testing and identification of machine and cross direction, wire side and felt side
GB/T 462-2023 — Paper, board and pulps - Determination of moisture content of analytical sample
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GB/T 40272-2021
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