硫酸铵，Ammonium sulfate；BioXtra, ≥99.0%

产品线

BioXtra

质量水平

200

测定

≥99.0%

形式

powder or crystals

杂质

Insoluble matter, passes filter test

灼烧残渣

<0.01% (as SO₄)

缺失

≤1.0% loss on drying, 110°C

pH值（酸碱度）

5.0-6.0 (20 °C, 1 M in H₂O)

mp

>280 °C (dec.) (lit.)

溶解性

H₂O: 1 M, clear, colorless

密度

1.77 g/mL at 25 °C (lit.)

痕量阴离子

chloride (Cl^-): ≤0.001%
nitrate (NO₃^-): ≤0.001%
phosphate (PO₄^3-): ≤0.0005%

痕量阳离子

Al: ≤0.0005%
As: ≤0.0001%
Ba: ≤0.0005%
Bi: ≤0.0005%
Ca: ≤0.001%
Cd: ≤0.0001%
Co: ≤0.0005%
Cr: ≤0.0005%
Cu: ≤0.0002%
Fe: ≤0.0002%
K: ≤0.005%
Li: ≤0.0005%
Mg: ≤0.0005%
Mn: ≤0.0005%
Mo: ≤0.0005%
Na: ≤0.005%
Ni: ≤0.0005%
Pb: ≤0.0002%
Sr: ≤0.0005%
Zn: ≤0.0001%

吸光度

≤0.030 at 280 in H₂O at 1 M
≤0.037 at 260 in H₂O at 1 M

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