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Merck
CN

09980

硫酸铵

puriss. p.a., ACS reagent, ≥99.5% (T)

别名:

硫铵石

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关于此项目

线性分子式:
(NH4)2SO4
化学文摘社编号:
分子量:
132.14
EC Number:
231-984-1
UNSPSC Code:
12352300
MDL number:
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InChI key

BFNBIHQBYMNNAN-UHFFFAOYSA-N

InChI

1S/2H3N.H2O4S/c;;1-5(2,3)4/h2*1H3;(H2,1,2,3,4)

grade

ACS reagent, puriss. p.a.

assay

≥99.5% (T)

ign. residue

≤0.005% (as SO4)

pH

5.0-6.0 (25 °C, 50 mg/mL in H2O)

mp

>280 °C (dec.) (lit.)

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

As: ≤0.2 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, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Na: ≤50 mg/kg, Ni: ≤5 mg/kg, Pb: ≤2 mg/kg, Zn: ≤1 mg/kg

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存储类别

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

法规信息

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历史批次信息供参考:

分析证书(COA)

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Separation of proteins by ammonium sulfate gradient solubilization.
T P King
Biochemistry, 11(3), 367-371 (1972-02-01)
Deliquescence and crystallization of ammonium sulfate particles internally mixed with water-soluble organic compounds
Parsons MT, et al.
The Journal of Physical Chemistry A, 108(52), 11600-11608 (2004)
D A DePasquale et al.
Applied and environmental microbiology, 56(12), 3711-3717 (1990-12-01)
In this study we examined the mechanism by which ammonium bicarbonate inhibits mycotoxigenic fungi. Elevated extracellular pH, alone, was not responsible for the antifungal activity. Although conidia of Penicillium griseofulvum and Fusarium graminearum had internal pH (pHi) values as high
Neutron-Diffraction Study of the Structures of Ferroelectric and Paraelectric Ammonium Sulfate.
Schlemper EO, et al.
J. Chem. Phys. , 44(12), 4498-4509 (1966)
Simon Gareth Broadley et al.
Acta crystallographica. Section D, Biological crystallography, 68(Pt 11), 1450-1459 (2012-10-24)
MshB, a zinc-based deacetylase, catalyses a step in the mycothiol biosynthetic pathway that involves the deacetylation of 1-O-(2-acetamido-2-deoxy-α-D-glucopyranosyl)-D-myo-inositol (GlcNAc-Ins), via cleavage of an amide bond, to 1-O-(2-amino-2-deoxy-α-D-glucopyranosyl)-D-myo-inositol (GlcN-Ins) and acetate. In this study, MshB was expressed, purified and crystallized. A

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