Phosphate di-potassique, 1 kg
Référence P749.2
€ 75,38
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Phosphate di-potassique, 1 kg
Détails du produit
Phrases P: P260 P280 P305+P351+P338
Phrases H: H315-H319-H335
Numero CAS: 1397-89-3
Formules chimiques: C47H73NO17
Code SH: 28352400
Marque: Carl Roth
di-Potassium hydrogen phosphate, min. 99 %, p.a., anhydrous, Molar mass (M) 174,18 g/mol, Density (D) 2,44 g/cm³, CAS No. [7758-11-4], EG-Nr. 231-834-5, Empirical formula K2HPO4
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) | 8,5-9,6 |
| In H2O insoluble matter | ≤0,005 % |
| Loss of drying (140 °C, 30 min) | ≤1,0 % |
| Nitrogen compounds (as N) | ≤0,002 % |
| Chloride (Cl) | ≤0,02 % |
| Sulphate (SO4) | ≤0,1 % |
| Arsenic (As) | ≤0,0001 % |
| Lead (Pb) | ≤0,001 % |
| Cadmium (Cd) | ≤0,001 % |
| Calcium (Ca) | ≤0,005 % |
| Iron (Fe) | ≤0,001 % |
| Cobalt (Co) | ≤0,001 % |
| Copper (Cu) | ≤0,001 % |
| Magnesium (Mg) | ≤0,005 % |
| Manganese (Mn) | ≤0,001 % |
| Nickel (Ni) | ≤0,001 % |
| Zinc (Zn) | ≤0,001 % |
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