GB/T 3781.4-1993 Replaced National standards

GB/T 3781.4-1993 Acetylene black—Determination of pH value

Publish Date: 1993-03-03 Implement Date: 1993-12-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 3781.4-1993

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: Carbon black

ICS Name: Rubber synthetic ingredients

Publish Date: 1993-03-03

Implement Date: 1993-12-01

Pages: 8 pages

Development Information

Word Count: 6 Thousand words Pages: 8 pages

Same series standard

GB/T 3781.5-1993 Acetylene black—Determination of grit content GB/T 3781.6-1993 Acetylene black—Determination of apparent specific volume GB/T 3781.7-1993 Acetylene black—Determination of iodine absorption number GB/T 3781.8-1993 Acetylene black—Determination of hydrochloric acid absorption number GB/T 3781.9-1993 Acetylene black—Determination of resistivity

Replace the following standards

GB 3781.4-1983

Superseded by the following standards

GB/T 3780.7-2006 Carbon black—Part 7:Determination of pH value

Referenced Standards

GB/T 679-2002 Chemical reagent—Ethanol GB/T 1263-1986 Chemical reagent—Disodium hydrogen phosphate dodecahydrate GB/T 1263-2006 Chemical reagent—Disodium hydrogen phosphate dodecahydrate GB/T 1274-1993 Chemical reagent—Potassium dihydrogen phosphate GB/T 1274-2011 Chemical reagent—Potassium dihydrogen phosphate GB/T 1291-1988 Chemical reagent—Potassium hydrogen phthalate GB/T 1291-2008 Chemical reagent—Potassium hydrogen phthalate 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

Adopt standards

JIS K 1469-84(89)

Related Standards

GB/T 11409.4-1989 Replaced

GB/T 11409.4-1989 Test method of weight loss on heating for rubber antiagers and vulcanizing accelerators

Publish Date: 1989-03-31

GB/T 11409.5-1989 Replaced

GB/T 11409.5-1989 Test method of residue on sieve for rubber antiagers and vulcanizing accelerators

Publish Date: 1989-03-31

GB/T 11409.7-1989 Replaced

GB/T 11409.7-1989 Test method of ash for rubber antiagers and vulcanizing accelerators

Publish Date: 1989-03-31

GB/T 11409.8-1989 Replaced

GB/T 11409.8-1989 Test method of viscosity for rubber antiagers and vulcanizing accelerators—Rotational viscometer method

Publish Date: 1989-03-31

GB/T 12827-1991 Replaced

GB/T 12827-1991 Standard reference acetylene black and standard practice for evaluation

Publish Date: 1991-04-23

GB/T 13021-1991 Replaced

GB/T 13021-1991 Determination for the carbon black content of polyethylene pipes and fittings by calcination and pyrolysis

Publish Date: 1991-07-03