等级
ACS reagent
anhydrous
质量水平
产品线
Redi-Dri™
检测方案
≥99.0%
形式
powder or crystals
杂质
≤0.005% Insoluble matter
灼烧残渣
≤0.005%
pH值(酸碱度)
5.0-6.0 (25 °C, 5%)
mp
>280 °C (dec.) (lit.)
溶解性
water: soluble 132 g/L at 20 °C
密度
1.77 g/mL at 25 °C (lit.)
痕量阴离子
chloride (Cl-): ≤5 ppm
nitrate (NO3-): ≤0.001%
phosphate (PO43-): ≤5 ppm
痕量阳离子
Fe: ≤5 ppm
heavy metals: ≤5 ppm (by ICP-OES)
储存温度
room temp
SMILES字符串
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
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一般描述
硫酸铵是一种常用作肥料的铵盐。它可以用硫酸和氨中和法合成。它可以增强草甘膦等几种除草剂的植物毒性。硫酸铵是在生产己内酰胺(尼龙的前体)过程中形成的副产物。
应用
硫酸铵用于甲基纤维素可沉淀的单宁测定中,以评估成品酒样品中的葡萄酒单宁。它也用于制造外部混合气溶胶,以分析 1×3 串联差分迁移率分析仪(1×3-TDMA),主要用于确定气溶胶颗粒的吸湿性生长因子的不可逆性。
法律信息
Redi-Dri is a trademark of Sigma-Aldrich Co. LLC
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
The 1-by-3 tandem differential mobility analyzer for measurement of the irreversibility of the hygroscopic growth factor.
Aerosol Science and Technology, 43(7), 641-652 (2009)
Influence of yeast strain on Shiraz wine quality indicators.
International Journal of Food Microbiology, 165(3), 302-311 (2013)
Industrial catalytic aspects of the synthesis of monomers for nylon production.
CATTECH, 4(1), 4-16 (2000)
Substitutes for Ammonium Sulfate as Additives with Glyphosate and Glufosinate.
Weed Technology, 17(3), 576-581 (2003)
Ammonium Compounds.
Kirk-Othmer Encyclopedia of Chemical Technology (2003)
商品
Redi-Dri™ prevents hygroscopic powders, such as inorganic salts, from absorbing moisture and forming clumps, leaving the salts free-flowing every time.
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