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59845 Supelco

Ammonium sulfate

analytical standard, for Nitrogen Determination According to Kjeldahl Method, traceable to NIST SRM 194

Synonym: Mascagnite

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Properties

Related Categories Analytical Standards, Analytical/Chromatography, Elemental & Metal Standards, Elemental, Ions and Water (Karl Fischer) Standards
grade   analytical standard
InChI Key   BFNBIHQBYMNNAN-UHFFFAOYSA-N
assay   ≥99.5%
form   neat
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
Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
1
RTECS 
BS4500000

Documents

Certificate of Analysis

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Protocols & Articles

Articles

HPLC Analysis of Large RNAs on TSKgel® Phenyl-5PW

From our library of Articles, Sigma-Aldrich presents HPLC Analysis of Large RNAs on TSKgel® Phenyl-5PW
Keywords: Chromatography, High performance liquid chromatography

HPLC Analysis of of Fab and Fc Fragments on TSKgel® Butyl-NPR

From our library of Articles, Sigma-Aldrich presents HPLC Analysis of of Fab and Fc Fragments on TSKgel® Butyl-NPR
Keywords: Chromatography, High performance liquid chromatography

Peer-Reviewed Papers
15

References

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