59845
Sulfate d′ammonium
analytical standard, for Nitrogen Determination According to Kjeldahl Method, traceable to NIST SRM 194
Synonyme(s) :
Mascagnite
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A propos de cet article
Formule linéaire :
(NH4)2SO4
Numéro CAS:
Poids moléculaire :
132.14
PubChem Substance ID:
eCl@ss:
38030408
UNSPSC Code:
85151701
NACRES:
NA.24
EC Number:
231-984-1
MDL number:
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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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Classe de stockage
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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Goding.WJ
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James F Hunter et al.
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A large number of organic species emitted into the atmosphere contain cycloalkyl groups. While cyclic species are believed to be important secondary organic aerosol (SOA) precursors, the specific role of cyclic moieties (particularly for species with multiple or fused rings)
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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))
Numéro d'article de commerce international
| Référence | GTIN |
|---|---|
| 59845-25G | 04061835561025 |