31119-M
硫酸铵
puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99%
别名:
硫铵石
登录 查看组织和合同定价。
选择尺寸
关于此项目
线性分子式:
(NH4)2SO4
化学文摘社编号:
分子量:
132.14
PubChem Substance ID:
eCl@ss:
38030408
UNSPSC Code:
12352314
NACRES:
NA.21
EC Number:
231-984-1
MDL number:
Assay:
≥99%
Form:
crystalline
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.
agency
USP/NF, reag. ISO, reag. Ph. Eur.
assay
≥99%
form
crystalline
impurities
≤0.005% in water insoluble matters, ≤5 ppm heavy metals (by ICP-OES)
ign. residue
≤0.005% (as SO4)
loss
≤0.1% loss on drying, 110 °C
pH
5-6 (25 °C, 5%)
mp
>280 °C (dec.) (lit.)
density
1.77 g/mL at 25 °C (lit.)
anion traces
chloride (Cl-): ≤3 mg/kg, nitrate (NO3-): ≤10 mg/kg, phosphate (PO43-): ≤5 mg/kg
cation traces
As: ≤0.00002%, Ca: ≤0.001%, Cd: ≤0.0001%, Co: ≤0.0005%, Cr: ≤0.0005%, Cu: ≤0.0002%, Fe: ≤2 mg/kg, K: ≤0.005%, Mg: ≤0.0002%, Mn: ≤0.0005%, Na: ≤0.002%, Ni: ≤0.0005%, Pb: ≤0.0002%, Zn: ≤0.0001%
Quality Level
正在寻找类似产品? 访问 产品对比指南
General description
Ammonium sulfate is an inorganic salt that can be produced from the direct neutralization of sulfuric acid with ammonia.
Application
Ammonium sulfate can be used as a nucleating agent in the preparation of fatty acid microcapsules.
存储类别
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
法规信息
新产品
此项目有
Ammonium compounds
Kirk-Othmer Encyclopedia of Chemical Technology (2000)
Microencapsulation of a fatty acid with Poly (melamine-urea-formaldehyde
Konuklu Y, et al.
Energy Conversion and Management , 80, 382-390 (2014)
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
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)
Neutron-Diffraction Study of the Structures of Ferroelectric and Paraelectric Ammonium Sulfate.
Schlemper EO, et al.
J. Chem. Phys. , 44(12), 4498-4509 (1966)
我们的科学家团队拥有各种研究领域经验，包括生命科学、材料科学、化学合成、色谱、分析及许多其他领域.
联系客户支持