CATEGORIES

    GB/T 34448-2017《Tissue paper and disposable products—Determination of formaldehyde》

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    GB/T 34444-2017《Paper and board—Determination of the layer peel strength》

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    GB/T 33277-2016《Tissue paper—Determination of lead and arsenic released》

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    GB/T 8942-2016《Paper—Determination of softness》

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    GB/T 1548-2016《Pulps—Determination of limiting viscosity number in cupri-ethylenediamine (CED) solution》

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    GB/T 20216-2016《Pulp and paper—Determination of the effective residual ink concentration (ERIC number)—Infrared reflectance measurement》

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    GB/T 2679.8-2016《Paper and board—Determination of compressive strength（Ring crush method）》

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    GB/T 13528-2015《Paper and board—Determination of surface pH》

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    GB/T 31905-2015《Paper and board—Determination of edge permeance》

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    GB/T 2679.2-2015《Sheet materials—Determination of water vapour trasmission rate—Gravimetric (Dish) method》

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    GB/T 31479-2015《Determination of colour fastness of dyed paper and board intended to come into contact with foodstuffs》

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    GB/T 31110-2014《Paper and board―Determination of z-directional tensile strength》

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    GB/T 2679.12-2013《Paper and board―Qualitative analysis of mineral filler and mineral coating―Chemical method》

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    GB/T 8941-2013《Paper and board—Measurement of specular gloss》

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    GB/T 1541-2013《Paper and board - Determination of dirt》

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    GB/T 29775-2013《Pulps - Determination of fiber coarseness by automated optical analysis - Image analysis method》

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    GB/T 29779-2013《Pulps - Determination of fibre length by automated optical analysis - Unpolarized light method》

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    GB/T 7974-2013《Paper, board and pulps - Measurement of diffuse blue reflectance factor - D65 brightness（Diff/Geometry,Outdoor daylight conditions）》

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    GB/T 29285-2012《Pulps - Laboratory wet disintegration - Disintegration of mechanical pulps》

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    GB/T 29286-2012《Pulps - Determination of water retention value(WRV)》

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    GB/T 28119-2011《Paper、board and paper product for food package - Terms》

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    GB/T 29287-2012《Pulps - Laboratory beating - PFI mill method》

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    GB/T 28218-2011《Pulps - Determination of fibre length by automated optical analysis - Image analysis method》

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    GB/T 2677.2-2011《Determination of moisture content in fibrous raw material》

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    GB/T 27736-2011《The general calculation method of the system energy equilibrium in pulp and paper production process》

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    GB/T 27732-2011《Calculation method of energy equilibrium and energy efficiency in washing, screening and oxygen delignification system》

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    GB/T 27724-2011《Calculation method of energy equilibrium and energy efficiency in fourdrinier paper machine system》

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    GB/T 27722-2011《Calculation method of energy equilibrium and energy efficiency in the raw material preparation system of wood pulp》

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    GB/T 27721-2011《Calculation method of energy equilibrium and energy efficiency in stone ground wood system》

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    GB/T 27720-2011《Calculation method of energy equilibrium and energy efficiency in Kamyr continuous cooking system》

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