Sodio idrossido 98.5-100.5%, in pastiglie, AnalaR NORMAPUR® Reag. Ph. Eur. per analisi
Fornitore: VWR Chemicals
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Pericolo
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Synonyms:
Idrossido di sodio
28244.295EA
42
EUR
28244.295
28244.466
28244.262
28244.364
Sodio idrossido 98.5-100.5%, in pastiglie, AnalaR NORMAPUR® Reag. Ph. Eur. per analisi
Sodio idrossido
Formula:
NaOH Peso molecolare: 40 g/mol Punto di ebollizione: 1390 °C (1013 hPa) Punto di fusione: 323 °C Densità: 2,13 g/cm³ (20 °C) Temperatura di stoccaggio: Ambiente |
MDL Number:
MFCD00003548 CAS Number: 1310-73-2 EINECS: 215-185-5 UN: 1823 ADR: 8,II REACH: 01-2119457892-27 Merck Index: 14,08627 |
Risultati del test di specificazione
Assay | 98.5 - 100.5 % |
Appearance | White pastilles |
Appearance of solution | Passes test Ph.Eur. |
Identification B | Passes test Ph.Eur. |
Solution in water | Passes test |
pH (20°C; 0.01 %) | Min. 11.0 |
Heavy metals (as Ag) | Max. 20 ppm |
Heavy metals (as Pb) | Max. 5 ppm |
Total N (Nitrogen) | Max. 3 ppm |
CO3 (as Na2CO3) | Max. 1.0 % |
Cl (Chloride) | Max. 120 ppm |
PO4 (Phosphate) | Max. 5 ppm |
SiO4 (as SiO2) | Max. 10 ppm |
SO4 (Sulphate) | Max. 5 ppm |
As (Arsenic) | Max. 1 ppm |
Al (Aluminium) | Max. 5 ppm |
Ca (Calcium) | Max. 5 ppm |
Cu (Copper) | Max. 2 ppm |
Fe (Iron) | Max. 5 ppm |
Hg (Mercury) | Max. 0.1 ppm |
K (Potassium) | Max. 0.1 % |
Mg (Magnesium) | Max. 5 ppm |
Ni (Nickel) | Max. 5 ppm |
Pb (Lead) | Max. 5 ppm |
Zn (Zinc) | Max. 10 ppm |
Conforms to Reag. Ph.Eur. | Passes test |
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