GB/T 2921-1982
Abolished
T/CRIAC 0084-2023
Active
Group standards
T/CRIAC 0084-2023 Environmental analysis reagent 4-pyridinecarboxylic acid (isonicotinic acid)
T/CRIAC 0084-2023 Environmental analysis reagent 4-pyridinecarboxylic acid (isonicotinic acid)
Price:
$ 20.00
Basic Information
Standard Code:
T/CRIAC 0084-2023
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
-
ICS Name:
Chemical reagents
Publish Date:
2023-07-10
Implement Date:
2023-08-01
Scope
Scope: This document specifies the characteristics, specifications, testing, inspection rules, packaging, and marking of 4-pyridinecarboxylic acid reagents used in environmental analysis. This document is applicable to the inspection of 4-pyridinecarboxylic acid reagents used in environmental analysis. Main technical content: 1. Content (C6H5NO2), w/% ≥ 99.5 2. Solubility test in sodium carbonate solution - pass 3. Loss on drying, w/% ≤ 0.5 4. Combustion residue (calculated as sulfate), w/% ≤ 0.1
Development Information
Related Standards
GB/T 2922-1982
Abolished
GB/T 2922-1982 Chemical reagents—Determination of specific surface area of solid supports used in chromatography
GB/T 3914-1983
Replaced
GB/T 3914-1983 Chemical reagents—The general rules of anodic stripping voltammetry
GB/T 673-1984
Replaced
GB/T 673-1984 Chemical reagent—Arsenic trioxide
GB/T 1263-1986
Replaced
GB/T 1263-1986 Chemical reagent—Disodium hydrogen phosphate dodecahydrate
GB/T 1292-1986
Replaced