Fosfato dihidrógeno de sodio dihidrato, 500 g
REF T879.1
€ 41,31
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Fosfato dihidrógeno de sodio dihidrato, 500 g
Información del producto
P-frases: P210 P233 P305+P351+P338
H-frases: H225-H319-H336
Número CAS: 67-63-0
fórmulas químicas: C3H8O
Nivel de riesgo: 3 II
Código hs: 28352200
Marca: Carl Roth
Sodium dihydrogen phosphate dihydrate, min. 99 %, p.a., Molar mass (M) 156,01 g/mol, Density (D) 1,91 g/cm³, CAS No. [13472-35-0], EG-Nr. 231-449-2, Empirical formula NaH2PO4 · 2 H2O
Salts for Analysis
Our salts for analysis are manufactured under strict production guidelines. Analytical purity and best quality reliably characterize each batch. Salts in p.a. quality made by Carl ROTH meet the high requirements for reproducible results. Most of our salts are additionally specified according to international standards like ACS and ISO.
Definition:p.a.: pro analysi (for analysis)ACS: American Chemical SocietyISO: International Standard Organisation
Salts
| Assay (acidim.) | ≥99,0 % |
| pH value (5 % in H2O) | 4,2-4,5 |
| In H2O insoluble matter | ≤0,005 % |
| Total nitrogen (as N) | ≤0,001 % |
| Chloride (Cl) | ≤0,0005 % |
| Sulphate (SO4) | ≤0,003 % |
| Arsenic (As) | ≤0,00005 % |
| Lead (Pb) | ≤0,0002 % |
| Calcium (Ca) | ≤0,005 % |
| Iron (Fe) | ≤0,0005 % |
| Copper (Cu) | ≤0,0002 % |
| Magnesium (Mg) | ≤0,005 % |
| Nickel (Ni) | ≤0,001 % |
| Heavy metals (as Pb) | ≤0,0005 % |
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