chroman draselný ACS, meets analytical specifications of Reagent Ph. Eur.
Dodavatel: Thermo Scientific
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Nebezpečí
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447201000
447205000
ACRO447201000EA
1230
CZK
ACRO447201000
ACRO447205000
chroman draselný ACS, meets analytical specifications of Reagent Ph. Eur.
chroman draselný
Vzorec:
K₂CrO₄ Bod varu: 1000 °C (1013 hPa) Bod tání: 975 °C Hustota: 2,73 g/cm³ (20 °C) Storage Temperature: Ambient |
MDL Number:
MFCD00011368 CAS číslo: 7789-00-6 UN: 3077 ADR: 9,III |
Výsledky specifikačního testu
Appearance | Yellow Crystalline powder |
Titration Iodometric | ≥99.0 % |
pH | 8.6 to 9.8 (5% soln. at 25°C) |
Chloride (Cl) | ≤0.005 % |
Sulfate (SO4) | ≤0.03 % |
Calcium (Ca) | ≤0.005 % |
Sodium (Na) | ≤0.02 % |
Insoluble matter | ≤0.005 % |
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