Calcium chlorure dihydraté 99.0-103.0%, AnalaR NORMAPUR® Reag. Ph. Eur. pour analyses
Marques : VWR ChemicalsTotal Evaluation: 0
Moyenne des Notes : 0.0 sur 5
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Attention
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Synonyme(s):
Calcium chlorure à 2 molécules d'eau
Formule:
CaCl₂·2H₂O Poids moléculaire: 147.01 g/mol Point d'ébullition: 1600 Point de fusion: 176 Densité: 1.85 g/cm³ (20 °C) Température de stockage: Température ambiante |
Numéro MDL:
MFCD00149613 Numéro CAS: 10035-04-8 EINECS: 233-140-8 Indice Merck: 13,01660 |
Résultats des tests de spécification
Assay | 99.0 - 103.0 % |
Appearance of solution | Passes test Ph.Eur. |
Identification A | Passes test Ph.Eur. |
Identification B | Passes test Ph.Eur. |
Solution in water | Passes test |
Al (Aluminium) | Passes test Ph.Eur. |
Acidity or alkalinity | Max. 0.002 meq/g |
pH (25°C; 5 %) | 4.5 - 8.5 |
Heavy metals (as Pb) | Max. 5 ppm |
Insolubility in water | Max. 100 ppm |
Magnesium and alkali metals | Max. 0.5 % |
Not precipitated by (COONH4)2 (as SO4) | Max. 0.2 % |
Oxidising substances | Max. 30 ppm |
Total N (Nitrogen) | Max. 20 ppm |
NH4 (Ammonium) | Max. 50 ppm |
PO4 (Phosphate) | Max. 10 ppm |
SO4 (Sulphate) | Max. 50 ppm |
As (Arsenic) | Max. 1 ppm |
Ba (Barium) | Max. 30 ppm |
Cu (Copper) | Max. 5 ppm |
Fe (Iron) | Max. 3 ppm |
K (Potassium) | Max. 100 ppm |
Mg (Magnesium) | Max. 100 ppm |
Na (Sodium) | Max. 100 ppm |
Sr (Strontium) | Max. 0.05 % |
Conforms to Reag. Ph.Eur. | Passes test |
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