di-Potassio idrogeno fosfato, 2,5 kg
Codice articolo P749.3
€ 155,31
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di-Potassio idrogeno fosfato, 2,5 kg
Dettagli del prodotto
Frasi P: P280 P302+P352 P305+P351+P338 P337+P313
Frasi H: H317-H319
Numero CAS: 1476-53-5
Formula chimica: C31H35N2NaO11
Codice SA: 28352400
Marca: 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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