Tetrachlorethylen ≥99.9%, SPECTRONORM® for spectroscopy
Dodavatel: VWR Chemicals
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Varování
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Filtered through a 0.2 µm filter, packaged under nitrogen.
83950.290EA
2860
CZK
83950.290
83950.320
Tetrachlorethylen ≥99.9%, SPECTRONORM® for spectroscopy
Tetrachlorethylen
SPECTRONORM solvents have extensive specifications to meet the highly demanding requirements of UV applications.
Vzorec:
C₂Cl₄ Bod varu: 121,1 °C (1013 hPa) Bod tání: –22 °C Hustota: 1,620 g/cm³ (20 °C) Bod vzplanutí: 38 °C (ot. pohárek) Storage Temperature: Ambient |
MDL Number:
MFCD00000834 CAS číslo: 127-18-4 EINECS: 204-825-9 UN: 1897 ADR: 6.1,III Merck Index: 12,09332 |
Výsledky specifikačního testu
Assay (GC) | ≥ 99.9 % |
Acidity | ≤ 0.0005 meq/g |
Alkalinity | ≤ 0.0005 meq/g |
Colouration | ≤ 10 APHA |
Evaporation residue | ≤ 10 ppm |
Water | ≤ 100 ppm |
Absorbance (290 nm) | ≤ 0.70 |
Absorbance (295 nm) | ≤ 0.19 |
Absorbance (300 nm) | ≤ 0.10 |
Absorbance (305 nm) | ≤ 0.20 |
Absorbance (350 nm) | ≤ 0.05 |
Absorbance (400 nm) | ≤ 0.03 |
Transmittance (290 nm) | ≥ 20 % |
Transmittance (295 nm) | ≥ 65 % |
Transmittance (300 nm) | ≥ 80 % |
Transmittance (305 nm) | ≥ 85 % |
Transmittance (350 nm) | ≥ 89 % |
Transmittance (400 nm) | ≥ 95 % |
Fluorescence (as quinine) (365 nm) | ≤ 1.0 ppb |
Meets the requirements of "Specific use spectroscopy" according ACS |
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