GB/T 7962.21-2019 Active National standards

GB/T 7962.21-2019 Test method of colourless optical glass—Part 21:Resistance to attack by aqueous alkaline solutions

GB/T 7962.21-2019 Test method of colourless optical glass—Part 21:Resistance to attack by aqueous alkaline solutions

Publish Date: 2019-08-30 Implement Date: 2020-03-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 7962.21-2019

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Optoelectronic devices

ICS Name: \nGlass Composite

Publish Date: 2019-08-30

Implement Date: 2020-03-01

Pages: 13 pages

Scope

This part of GB/T 7962 specifies the principles, test steps, data processing, and grading of the alkali resistance stability test for colorless optical glass.
This part is applicable to colorless optical glass, and other types of glass can be used for reference.

Development Information

Word Count: 22 Thousand words Pages: 13 pages

Same series standard

GB/T 7962.22-2019 Test method of colourless optical glass—Part 22:Resistance to attack by aqueous alkaline phosphate-containing GB/T 7962.23-2019 Test method of colourless optical glass—Part 23:Resistance to climatic

Referenced Standards

GB/T 1185-2006 Surface imperfections of optical elements GB/T 1804-2000 General tolerances for linear and angular dimensions without individual tolerance indications GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods GB/T 903-1987 Colourless optical glass GB/T 903-2019 Colourless optical glass

Adopt standards

ISO 10629:1996

Related Standards

GB/T 16920-1997 Replaced

GB/T 16920-1997 Glass—Determination of coefficient of mean linear thermal expansion

Publish Date: 1997-07-24

GB/T 6580-1997 Replaced

GB/T 6580-1997 Glass—Resistance to attack by a boiling aqueous solution of mixed alkali—Method of test and classification

Publish Date: 1997-07-24

GB/T 6582-1997 Replaced

GB/T 6582-1997 Glass—Hydrolytic resistance of glass grains at 98℃—Method of test and classification

Publish Date: 1997-07-24

GB/T 17129-1997 abolished_transferred

GB/T 17129-1997 Colourless optical glass test methods of chemical stability—Powder

Publish Date: 1997-12-03

GB 17762-1999 Replaced

GB 17762-1999 Safe and hygienic requirements of thermotolerant glass ware

Publish Date: 1999-05-28

GB/T 17763-1999 Active

GB/T 17763-1999 Technical requirements and test methods of glass hydrometers

Publish Date: 1999-05-28