Sigma-Aldrich 04269 Sodium phosphate monobasic dihydrate 5 kg

Sigma-Aldrich 04269 Sodium phosphate monobasic dihydrate

Teknik Özellikler
Catalog No	: 04269
Cas Number	: 13472-35-0
Linear Formula	: NaH2PO4·2H2O
Molecular Weight	: 156.01
EC Number	: 231-449-2
MDL Number	: MFCD00149209
Assay	: 98 - 100.5 % (calc. to the dried substance)
Quality	: meets analytical specification of Ph. Eur., BP, USP, FCC, E 339
İmpurities	: heavy metals (as Pb), complies organic volatile impurities, complies reducing matter, complies related substances, complies residual solvents, complies ≤0.2% water-insoluble matter
Loos	: 21.5 - 24.0 % loss on drying, 130 °C
pH	: 4.1-5.0 (20 °C, 1%), 4.2-4.5 (20 °C, 5%)
Anion traces	: chloride (Cl-): ≤50 mg/kg fluoride (F-): ≤10 mg/kg sulfate (SO4²-): ≤200 mg/kg
Cation traces	: Al: in accordance As: ≤2 mg/kg Ca: ≤20 mg/kg Ca:, in accordance Cd: ≤1 mg/kg Cu: ≤10 mg/kg Fe: ≤5 mg/kg Hg: ≤1 mg/kg Mg: ≤20 mg/kg Pb: ≤4 mg/kg Zn: ≤10 mg/kg
Suitability	: complies for appearance of solution

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Sigma-Aldrich 04269 Sodium phosphate monobasic dihydrate 5 kg

Sigma-Aldrich 04269 Sodium phosphate monobasic dihydrate

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