GB/T 23959-2009 (English Version) PDF

Standard No.: GB/T 23959-2009
Language: Chinese, Available in English version
Release Date: 2009
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 23959-2009

Scope: This standard specifies the technical requirements, test methods, inspection rules and signs, packaging, transportation, storage and safety of hydroquinone for industrial use. This standard applies to the production, inspection and sale of industrial hydroquinone produced by phenol hydroxylation or aniline method. Structural formula, molecular formula

GB/T 23959-2009 Referenced Document

GB 190 Packing symbol of dangerous goods*， 2009-06-21 Update
GB/T 1250 Rules for expression and judgement of limiting values
GB/T 601-2002 Chemical reagent Preparations of standard volumetric solutions
GB/T 602-2002 Chemical reagent--Preparations of standard solutions for impurity
GB/T 603-2002 Chemical reagent--Preparations of reagent solutions for use in test methods
GB/T 617-2006 Chemical reagent General method for the determination of melting range
GB/T 6678-2003 General principles for sampling chemical products
GB/T 6679-2003 General rules for sampling solid chemical products
GB/T 6682-2008 Water for analytical laboratory use.Specification and test methods