GB/T 4293-1984
abolished_transferred
T/SHXCL 0007-2021
Active
Group standards
T/SHXCL 0007-2021 Special optical material-based phosphate salts
T/SHXCL 0007-2021 Special optical material-based phosphate salts
Price:
$ 20.00
Basic Information
Standard Code:
T/SHXCL 0007-2021
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Inorganic salts
ICS Name:
Salt
Publish Date:
2021-04-22
Implement Date:
2021-06-15
Scope
Main technical content: This document specifies the classification, requirements, test methods, inspection rules, and marking, packaging, transportation, and storage of phosphites used in special optical materials (hereinafter referred to as phosphites). This document is applicable to lithium phosphite, sodium phosphite, potassium phosphite, barium phosphite, and aluminum phosphite.
Development Information
Related Standards
GB/T 6275-1986
Abolished
GB/T 6275-1986 Ammonium hydrogen carbonate for industrial use
GB/T 6276.1-1986
Replaced
GB/T 6276.1-1986 Ammonium hydrogen carbonate for industrial use—Determination of total alkalinity—Volumetric method
GB/T 6276.2-1986
Replaced
GB/T 6276.2-1986 Ammonium hydrogen carbonate for industrial use—Determination of chloride content—Potentiometric method
GB/T 6276.3-1986
Replaced
GB/T 6276.3-1986 Ammonium hydrogen carbonate for industrial use—Determination sulphide content—Visible turbidimetric method
GB/T 6276.4-1986
Replaced