GB/T 33069-2016 Active National standards

GB/T 33069-2016 Determination of 1-vinyl-2-pyrrolidinone homopolymer for industrial use

GB/T 33069-2016 Determination of 1-vinyl-2-pyrrolidinone homopolymer for industrial use

Publish Date: 2016-10-13 Implement Date: 2017-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 33069-2016

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Basic standards and general methods for synthetic resins and plastics

ICS Name: Aldehydes and ketones

Publish Date: 2016-10-13

Implement Date: 2017-05-01

Pages: 11 pages

Scope

This standard specifies the appearance, identification, K value, NVP residual monomer, moisture, solids content, pH value, and sulfate ash detection methods of industrial-grade poly-N-vinylpyrrolidone. This standard applies to industrial-grade poly-N-vinylpyrrolidone (hereinafter referred to as PVP) linear polymers made from N-vinylpyrrolidone (hereinafter referred to as NVP) monomers through solution polymerization.

Development Information

Word Count: 20 Thousand words Pages: 11 pages

Referenced Standards

GB/T 601-2002 Chemical reagent Preparations of standard volumetric solutions GB/T 601-2016 Chemical reagent—Preparations of reference titration solutions GB/T 603-2002 Chemical reagent—Preparations of reagent solutions for use in test methods GB/T 603-2023 Chemical reagent—Preparations of reagent solutions for use in test methods GB/T 6283-1986 Chemical products—Determination of water—Karl fischer method (general method) GB/T 6283-2008 Chemical products—Determination of water Karl·fischer method(general method) GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods GB/T 9724-2007 Chemical reagent—General rule for the determination of pH

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