InChI
1S/Cu.2Na.H2O8S2.H2O4S/c;;;1-9(2,3)7-8-10(4,5)6;1-5(2,3)4/h;;;(H,1,2,3)(H,4,5,6);(H2,1,2,3,4)/q+2;2*+1;;/p-4
SMILES string
[Na+].[Na+].[Cu++].[O-]S([O-])(=O)=O.[O-]S(=O)(=O)OOS([O-])(=O)=O
InChI key
PIAKSAKPSSOOGC-UHFFFAOYSA-J
form
tablet
suitability
in accordance for function test
application(s)
food and beverages
forensics and toxicology
general analytical
General description
Kjeldahl′s method is generally used for the determination of nitrogen in proteins. There are many Kjeldahl catalyst, like copper catalyst Kjeldahl method can be used for the determination of crude protein in feed materials. Mercuric oxide Kjeldahl catalyst is a bit toxic and can be replaced by titanium dioxide, for estimation of total nitrogen content in cereal grains.
Packaging
250 片，每片 2.5g
hcodes
pcodes
Hazard Classifications
Aquatic Chronic 3
存储类别
13 - Non Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
法规信息
新产品
此项目有
The use of titanium dioxide as a catalyst for large-scale kjeldahl determination of the total nitrogen content of cereal grains.
WIlliams PC.
Journal of the Science of Food and Agriculture, 24 (3), 343-348 (1973)
A STUDY OF CONDITIONS FOR KJELDAHL DETERMINATION OF NITROGEN IN PROTEINS DESCRIPTION OF METHODS WITH MERCURY AS CATALYST, AND TITRIMETRIC AND GASOMETRIC MEASUREMENTS OF THE AMMONIA FORMED.
Hiller A
The Journal of Biological Chemistry, 176 (3), 1401-1420 (1948)
Comparison of LECO FP-228" nitrogen determinator" with AOAC copper catalyst Kjeldahl method for crude protein.
Sweeney RA and Rexroad PR
Journal - Association of Official Analytical Chemists, 70 (6), 1028-1030 (1986)
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