GB/T 30921.5-2016 Active National standards

GB/T 30921.5-2016 Test method of purified terephthalic acid(PTA) for industrial use—Part 5:Determination of acid number

GB/T 30921.5-2016 Test method of purified terephthalic acid(PTA) for industrial use—Part 5:Determination of acid number

Publish Date: 2016-06-14 Implement Date: 2017-01-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 30921.5-2016

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Basic organic chemical raw materials

ICS Name: Organic acids

Publish Date: 2016-06-14

Implement Date: 2017-01-01

Pages: 5 pages

Scope

This part of GB/T 30921 specifies the volumetric method for determining the acid value of purified terephthalic acid (PTA) used in industry. This part is applicable to the determination of the acid value of purified terephthalic acid (PTA) used in industry.

Development Information

Word Count: 10 Thousand words Pages: 5 pages

Same series standard

GB/T 30921.2-2016 Test method of purified terephthalic acid(PTA) for industrial use—Part 2:Determination of metal content GB/T 30921.3-2016 Test method of purified terephthalic acid(PTA) for industrial use—Part 3:Determination of water content GB/T 30921.4-2016 Test method of purified terephthalic acid(PTA) for industrial use—Part 4:Determination of titanium content—Diantipyrylmethane photometric method GB/T 30921.6-2016 Test method of purified terephthalic acid(PTA) for industrial use—Part 6:Determination of particle size distribution GB/T 30921.7-2016 Test method of purified terephthalic acid(PTA) for industrial use—Part 7:Determination of b* value—Color difference meter

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 3723-1999 Sampling of chemical products for industrial use—Safety in sampling GB/T 6679-2003 General rules for sampling solid chemical products 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 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values

Related Standards

GB/T 1626-1988 Replaced

GB/T 1626-1988 Oxalic acid for industrial use

Publish Date: 1988-04-12

GB/T 2092-1992 Replaced

GB/T 2092-1992 Sebacic acid for industrial use

Publish Date: 1992-01-14

GB/T 2093-1993 Replaced

GB/T 2093-1993 Formic acid for industrial use

Publish Date: 1993-06-15

SH/T 1499.1-1997 Replaced

SH/T 1499.1-1997 Pure adipic acid

Publish Date: 1997-07-12

SH/T 1499.2-1997 Active

SH/T 1499.2-1997 Pure adipic acid--Determination of content--Titrimetric method

Publish Date: 1997-07-12

SH/T 1499.3-1997 Replaced

SH/T 1499.3-1997 Pure adipic acid--Measurement of ammonia solution colour(in Pt-Co scale)--Spectrophotometric method

Publish Date: 1997-07-12