General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 29287-2012
Scope
This standard specifies the method for laboratory pulping using PFI mills. The method is limited to pulp sampling and beating, sample taking and distribution, and beating equipment. This standard applies to all kinds of chemical pulp and semi-chemical pulp. In practice, for some pulps with very long fibers, unsatisfactory results may be obtained by this method.
GB/T 29287-2012 Referenced Document
GB/T 24327-2009 Pulps.Laboratory wet disintegration.Disintegration of chemical pulps
GB/T 29285-2012 Pulps.Laboratory wet disintegration.Disintegration of mechanical pulps
GB/T 462 Determination of moisture content of analytical samples of paper, paperboard and pulp*, 2023-09-07 Update
GB/T 5399 Pulps-Determination of stock concentration