GB/T 7717.5-2008
Acrylonitrile for industrial use.Part5:Determination of acidity and pH value and titration value (English Version)

Standard No.

GB/T 7717.5-2008

Language

Chinese, Available in English version

Release Date

2008

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 7717.5-2008

Replace

GB/T 7717.13-1994 GB/T 7717.5-1994 GB/T 7717.6-1994

Scope

This standard specifies the methods for the determination of acidity, pH value and titration value of acrylonitrile for industrial use. This part applies to the determination of acidity, pH value and titration value of industrial acrylonitrile, the minimum detection concentration of acidity is 1mg/kg (calculated as acetic acid).

GB/T 7717.5-2008 Referenced Document

• GB/T 3723 Sampling of chemical products for industrial use--Safety in sampling
• GB/T 601 Chemical reagent.Preparations of reference titration solutions*， 2016-10-13 Update
• GB/T 603 Preparation of preparations and products used in chemical reagent test methods*， 2023-08-06 Update
• GB/T 6678 General principles for sampling chemical products
• GB/T 6680 General rules for sampling liquid chemical products
• GB/T 6682 Water for analytical laboratory use.Specification and test methods
• GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values*， 2008-07-16 Update
• GB/T 9724 Chemical reagent.General rule for the determination of pH

GB/T 7717.5-2008 history

• 2008 GB/T 7717.5-2008 Acrylonitrile for industrial use.Part5:Determination of acidity and pH value and titration value
• 1994 GB/T 7717.5-1994 Acrylonitrile for industrial use-Determination of pH value(5％ aqueous solution)

GB/T 7717.5-2008 Acrylonitrile for industrial use.Part5:Determination of acidity and pH value and titration value has been changed from GB/T 7717.13-1994 Acrylonitrile for industrial use-Determination of acidity-Titrimetric method.

GB/T 7717.5-2008 Acrylonitrile for industrial use.Part5:Determination of acidity and pH value and titration value has been changed from GB/T 7717.6-1994 Acrylonitrile for industrial use-Determination of titration value(5％ aqueous solution).

GB/T 7717.5-2008 -All Parts