GB 2757-1981
Replaced
GB/T 31578-2015
Active
National standards
GB/T 31578-2015 Inspection of grain and oils—Determination of crude protein content in grain and its products—Combustion method according to the Dumas principle
GB/T 31578-2015 Inspection of grain and oils—Determination of crude protein content in grain and its products—Combustion method according to the Dumas principle
Basic Information
Standard Code:
GB/T 31578-2015
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Food processing and products
ICS Name:
Food Composite
Publish Date:
2015-05-15
Implement Date:
2015-11-23
Pages:
18 pages
Scope
This standard specifies the terms and definitions, principles, reagents, instruments and equipment, sampling, sample preparation, testing steps, result calculation and presentation, precision, and test reports for determining the total nitrogen content and crude protein content in grains, legumes, and their products using the Dumas combustion method. This standard is applicable to the determination of crude protein content in grains, legumes, and their products.
Development Information
Referenced Standards
Adopt standards
ISO/TS 16634-2:2009
Related Standards
GB/T 5490-1985
Replaced
GB/T 5490-1985 General rules of inspectiog grain, oilseeds and vegetable oils
GB/T 5491-1985
Replaced
GB/T 5491-1985 Inspection of grain and oilseeds Methods for sampling and sample reduction
GB/T 5492-1985
Replaced
GB/T 5492-1985 Inspection of grain and oilseeds Methods for identification of colour,odour and taste
GB/T 5493-1985
Replaced
GB/T 5493-1985 Inspection of grain and oilseeds Methods for determination of varieties and their mixture
GB/T 5494-1985
Replaced