<br /> 线性分子式: NH4H2PO4 CAS号: 7722-76-1 分子量: 115.03 EC 号: 231-764-5 MDL编号: MFCD00003396 PubChem化学物质编号: 329757242 NACRES: NA.55">
for inorganic trace analysis
100
≥99.99% trace metals basis
solid
≤0.005% insolubles<100 ppm total metallic impurities
3.8-4.4
190 °C (dec.) (lit.)
water: soluble(lit.)
chloride (Cl-): ≤5 ppmnitrate (NO3-): ≤0.001%sulfate (SO42-): ≤0.01%
Ca: 0.001%Fe: ≤0.001%K: ≤0.005%Mg: 0.0005%Na: ≤0.005%heavy metals: ≤5 ppm
N.OP(O)(O)=O
1S/H3N.H3O4P/c;1-5(2,3)4/h1H3;(H3,1,2,3,4)
LFVGISIMTYGQHF-UHFFFAOYSA-N
13 - Non Combustible Solids
WGK 1