S8639
正磷酸钠 十二水合物
ACS reagent, 98.0-102.0%
别名:
TSP, Trisodium phosphate (tert) 十二水合物, 磷酸三钠 十二水合物
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线性分子式:
Na3PO4 · 12H2O
化学文摘社编号:
分子量:
380.12
EC Number:
231-509-8
UNSPSC Code:
12161700
MDL number:
InChI key
ASTWEMOBIXQPPV-UHFFFAOYSA-K
InChI
1S/3Na.H3O4P.12H2O/c;;;1-5(2,3)4;;;;;;;;;;;;/h;;;(H3,1,2,3,4);12*1H2/q3*+1;;;;;;;;;;;;;/p-3
grade
ACS reagent
assay
98.0-102.0%
impurities
≤0.001% Nitrogen compounds (as N), ≤0.01% Insoluble matter, ≤2.5% Excess alkali (as NaOH)
density
1.62 g/mL at 25 °C
anion traces
chloride (Cl-): ≤0.001%, sulfate (SO42-): ≤0.01%
cation traces
Fe: ≤0.001%, heavy metals (as Pb): ≤0.001%
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Diego Caccavo et al.
International journal of pharmaceutics, 486(1-2), 144-152 (2015-04-02)
Controlled release by oral administration is mainly achieved by pharmaceuticals based on hydrogels. Once swallowed, a matrix made of hydrogels experiences water up-take, swelling, drug dissolution and diffusion, polymer erosion. The detailed understanding and quantification of such a complex behavior
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