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09978 Sigma

Ammonium sulfate

BioUltra, ≥99.5% (T)

Synonym: Mascagnite

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Properties

Related Categories Molecular Biology, Optimization Reagents, Protein Structural Analysis, Proteomics, X-Ray Crystallography More...
InChI Key   BFNBIHQBYMNNAN-UHFFFAOYSA-N
product line   BioUltra
assay   ≥99.5% (T)
impurities   insoluble matter, passes filter test
ign. residue   ≤0.01% (as SO4)
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   H2O: 1 M at 20 °C clear, colorless
density   1.77 g/mL at 25 °C(lit.)
anion traces   chloride (Cl-): ≤5 mg/kg
  nitrate (NO3-): ≤10 mg/kg
  phosphate (PO43-): ≤5 mg/kg
cation traces   Al: ≤5 mg/kg
  As: ≤0.2 mg/kg
  Ba: ≤5 mg/kg
  Bi: ≤5 mg/kg
  Ca: ≤10 mg/kg
  Cd: ≤1 mg/kg
  Co: ≤5 mg/kg
  Cr: ≤5 mg/kg
  Cu: ≤2 mg/kg
  Fe: ≤2 mg/kg
  K: ≤50 mg/kg
  Li: ≤5 mg/kg
  Mg: ≤5 mg/kg
  Mn: ≤5 mg/kg
  Mo: ≤5 mg/kg
  Na: ≤50 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤2 mg/kg
  Sr: ≤5 mg/kg
  Zn: ≤1 mg/kg
λ   1 M in H2O
UV absorption   λ: 260 nm Amax: ≤0.037
  λ: 280 nm Amax: ≤0.030

Description

Application

May be used for the precipitation or fractionation of proteins or for purification of antibodies. Useful for crystallographic analysis of nucleic acids and proteins.

Other Notes

The most commonly used salt for the fractional precipitation of proteins due to its solubility and effectiveness; Protein crystallization; Sepharose® chromatography of tRNAs using reverse salt gradients.

Legal Information

Sepharose is a registered trademark of GE Healthcare

Price and Availability


Amplified Detection
Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
1
RTECS 
BS4500000
Protocols & Articles
Peer-Reviewed Papers
15

References

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