DZ/T 0101.12-1994
Active
YS/T 256-2000
Replaced
Industry standards-Non-ferrous metals
YS/T 256-2000 Cobalt oxide
YS/T 256-2000 Cobalt oxide
Basic Information
Standard Code:
YS/T 256-2000
Standard Type:
Industry standards
Standard Status:
Replaced
is_force_gb:
no
CCS Name:
-
ICS Name:
-
Publish Date:
2000-10-25
Implement Date:
2001-03-01
Pages:
19 pages
Development Information
Replace the following standards
YS/T 256-1994
Superseded by the following standards
YS/T 710.5-2009 Method for chemical analysis of cobalt oxide—Part 5:Determination of silicon content—Molybdenum blue spectrophotometry
YS/T 710.4-2009 Method for chemical analysis of cobalt oxide—Part 4:Determination of arsenic content—Atomic fluorescence spectrometry
YS/T 256-2009 Cobalt oxide
YS/T 710.1-2009 Method for chemical analysis of cobalt oxide—Part 1:Determination of cobalt content—Potentiometric method
YS/T 710.2-2009 Method for chemical analysis of cobalt oxide—Part 2:Determination of sodium content—Flame atomic absorption spectrometry method
YS/T 710.3-2009 Method for chemical analysis of cobalt oxide—Part 3:Determination of sulphur content—High frequency combustion-infrared absorption method
Related Standards
JJG 204-1980
Active
JJG 204-1980 Meteorological Ventilation Psychrometer
SC 53-1980
Active
SC 53-1980 Transfer blade hydraulic steering gear repair quality standard
DZ 4-1981
Replaced
DZ 4-1981
SC 69-1982
Active
SC 69-1982 ZSS-12 Flash-type seawater desalination production device technical specifications
SC 72-1982
Active