GB 4962-1985
Replaced
T/CCGA 30001-2019
Active
Group standards
T/CCGA 30001-2019 super pure ammonia
T/CCGA 30001-2019 super pure ammonia
Price:
$ 20.00
Basic Information
Standard Code:
T/CCGA 30001-2019
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Industrial gases and chemical gases
ICS Name:
Industrial gases
Publish Date:
2019-10-29
Implement Date:
2020-01-29
Scope
Main technical content: This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, etc. of ultra-pure ammonia products. This standard applies to ultra-pure ammonia products produced by adsorption pre-purification, distillation purification, and terminal purification of industrial liquid ammonia. This product is the main raw material for microelectronic silicon nitride masking films and an important raw material in the semiconductor, optoelectronics, and light-emitting diode (LED) industries.
Development Information
Related Standards
GB/T 8981-1988
Replaced
GB/T 8981-1988 Determination of trace hydrogen in gases—Gas chromatographic method
GB/T 10627-1989
Replaced
GB/T 10627-1989 Gas analysis—Preparation of calibration gas mixtures—Static volumetric methods
GB/T 10628-1989
Replaced
GB/T 10628-1989 Gas analysis—Determination of composition of calibration gas mixtures—Comparison methods
GB 13548-1992
Replaced
GB 13548-1992 General principle of safety assessment for phosgene and its products plant
GB 13591-1992
Replaced