CATEGORIES

    GB/T 35594-2023《Paper and board for pharmaceutical packaging》

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    GB/T 451.2-2023《Paper and board—Part 2: Determination of grammage》

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    GB/T 26203-2023《Paper and board—Determination of internal bond strength（Scott type）》

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    GB/T 43012-2023《Pulp—Determination of cellulose nanocrystal sulfur and sulfate half-ester content》

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    GB/T 43011-2023《Paper, board and paper products—Determination of chloropropanol content》

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    GB/T 10335.5-2023《Coated paper and board—Part 5：Coated linerboard》

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    GB/T 10335.6-2023《Coated paper and board—Part 6: Water-based coated paper》

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    GB/T 12910-2023《Paper and board—Determination of titanium dioxide content》

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    GB/T 27590-2022《Paper cup》

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    GB/T 42702-2023《Paper, board and paper products—Determination of antibacterial activity》

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    GB/T 42945-2023《Pulps—Determination of mass fraction of fines》

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    GB/T 22904-2023《Paper, board and pulp—Determination of total chlorine and organically bound chlorine》

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    GB/T 2678.6-2023《Paper, board and pulp—Determination of water-soluble sulfates》

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    GB/T 462-2023《Paper, board and pulps—Determination of moisture content of analytical sample》

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    GB/T 41523-2022《Paper, board and pulps—Determination of total magnesium, total calcium, total manganese, total iron and total copper》

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    GB/T 41439-2022《Paper, board and pulps—Determination of pH of salted water extracts》

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    GB/T 40969-2021《Paper and board—Determination of colour （D50/2° diffuse reflectance method)》

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    GB/T 40168-2021《Corrugating medium—Determination of the edge crush resistance after laboratory fluting》

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    GB/T 40167-2021《Paper and board—Accelerated ageing (100℃)》

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    GB/T 6546-2021《Corrugated fibreboard—Determination of edgewise crush resistance》

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    GB/T 40166-2021《Paper and board—Accelerated ageing (exposure to nitrogen dioxide)》

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    GB/T 40442-2021《Paper, board and pulps—Determination of weight factor in fibre furnish analysis》

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    GB/T 2678.2-2021《Paper, board and pulps—Determination of water-soluble chlorides》

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    GB/T 39951-2021《Evaluation method for degradability of disposable paper products》

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    GB/T 39998-2021《Paper, board and paper products—Determination of alkylphenol polyethoxylates—HPLC-MS method》

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    GB/T 40278-2021《Paper and board—Accelerated ageing（exposure to light）》

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    GB/T 40277-2021《Paper, board and pulps—Measurement of diffuse blue reflectance factor( ISO brightness)—Indoor daylight conditions》

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    GB/T 40272-2021《Paper,board,pulps and cellulose nanomaterials—Determination of acid-soluble magnesium,calcium,manganese,iron,copper,sodium and potassium》

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    GB/T 24328.3-2020《Tissue paper and tissue products—Part 3: Determination of tensile strength, stretch at maximum force and tensile energy absorption》

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    GB/T 24328.12-2020《Tissue paper and tissue products—Part 12: Determination of optical properties—Determination of opacity—Diffuse reflectance method》

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