59845
Ammonium sulfate
analytical standard, for Nitrogen Determination According to Kjeldahl Method, traceable to NIST SRM 194
Synonym(s):
Mascagnite
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About This Item
Linear Formula:
(NH4)2SO4
CAS Number:
Molecular Weight:
132.14
PubChem Substance ID:
eCl@ss:
38030408
UNSPSC Code:
85151701
NACRES:
NA.24
EC Number:
231-984-1
MDL number:
grade
analytical standard
Quality Level
assay
≥99.5%
quality
traceable to NIST SRM 194
shelf life
limited shelf life, expiry date on the label
impurities
21.20%±0.10% total Kjeldahl nitrogen
loss
≤0.1% loss on drying, 110°C
pH
5.0-6.0 (25 °C, 1 M in H2O)
mp
>280 °C (dec.) (lit.)
solubility
soluble, clear, colorless
density
1.77 g/mL at 25 °C (lit.)
format
neat
SMILES string
N.N.OS(O)(=O)=O
InChI
1S/2H3N.H2O4S/c;;1-5(2,3)4/h2*1H3;(H2,1,2,3,4)
InChI key
BFNBIHQBYMNNAN-UHFFFAOYSA-N
Application
Ammonium sulfate may be used as a standard solution to determine nitrogen loss in the Kjeldahl analysis which acts as a reference method to determine accurate protein content in dairy products.
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Storage Class
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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Kazunori Sugiura et al.
Biochemical and biophysical research communications, 457(3), 242-248 (2015-01-17)
Intracellular redox state is a critical factor for fundamental cellular functions, including regulation of the activities of various metabolic enzymes as well as ROS production and elimination. Genetically-encoded fluorescent redox sensors, such as roGFP (Hanson, G. T., et al. (2004))
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 59845-25G | 04061835561025 |