467782
磷酸二氢铵
≥99.99% trace metals basis
别名:
prim -磷酸铵, 单 -磷酸铵, 磷酸二氢铵
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关于此项目
线性分子式:
NH4H2PO4
化学文摘社编号:
分子量:
115.03
NACRES:
NA.55
PubChem Substance ID:
UNSPSC Code:
12352300
EC Number:
231-764-5
MDL number:
Assay:
≥99.99% trace metals basis
Form:
solid
产品名称
磷酸二氢铵, ≥99.99% trace metals basis
InChI key
LFVGISIMTYGQHF-UHFFFAOYSA-N
InChI
1S/H3N.H3O4P/c;1-5(2,3)4/h1H3;(H3,1,2,3,4)
SMILES string
N.OP(O)(O)=O
description
for inorganic trace analysis
assay
≥99.99% trace metals basis
form
solid
impurities
≤0.005% insolubles
<100 ppm total metallic impurities
pH
3.8-4.4
mp
190 °C (dec.) (lit.)
solubility
water: soluble(lit.)
anion traces
chloride (Cl-): ≤5 ppm
nitrate (NO3-): ≤0.001%
sulfate (SO42-): ≤0.01%
cation traces
Ca: 0.001%
Fe: ≤0.001%
K: ≤0.005%
Mg: 0.0005%
Na: ≤0.005%
heavy metals: ≤5 ppm
Quality Level
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Application
用于第一个混合价态磷酸铁铵 NH4Fe2(PO4)2 的合成。
General description
磷酸二氢铵 (APM) 是一种无机盐，广泛应用于化肥、发酵粉和酵母生产中。也用作控制溶液 pH 值的缓蚀剂。 将磷酸与无水氨反应，保持 pH 值在 5.8 以下，可制备 APM。已经研究了将其添加到含有未烧制和烧制的非法页岩的高碳酸盐中时某些物理特性的变化。
存储类别
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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