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Methanol (Reag. Ph. Eur.) for HPLC gradient / UHPLC supergradient, ACS
Available in stock
Продуктът не е позволен за продажба на физически лица
The products are delivered within 2-5 days for the territory of Bulgaria
Methanol (Reag. Ph. Eur.) for HPLC gradient / UHPLC supergradient, ACS
221091
itwreagents
Minimum assay (G.C.): 99.9%
Identity: IR passes test
Density 20/4: 0.791-0.792
Suitability: for gradient acc. to ACS: passes test
Maximum limit of impurities
APHA colour: 10
Acidity: 0.0002 meq/g
Alkalinity: 0.0002 meq/g
Insoluble matter in H2O: passes test
Non-volatile matter: 0.0002 %
Reducing substance to KMnO4: passes test
Darkened substances by H2SO4: passes test
Carbonyl compounds (as CH3COCH3): 0.001%
Base line drift (235 nm): 15 mUA
Water (H2O): 0.03 %
Gradient at 235 nm: 2 mUA
Gradient at 254 nm: 1 mUA
Fluorescence at 254 nm (as quinine): 1 ppb
Fluorescence at 365 nm (as quinine): 0.5 ppb
UV Spectrum (1cm cell; Ref.: water):
Transmittance at 205 (Cut off) nm: ≥10%
Transmittance at 210 nm: ≥30%
Transmittance at 220 nm: ≥60%
Transmittance at 230 nm: ≥80%
Transmittance at 240 nm: ≥90%
Transmittance at 260-400 nm: ≥98%
Data of interest in HPLC:
Rohrschneider Polarity: 5.1
Eluotropic value e° (Al2O3): 0.95
Sol. H2O in solv. at 20°C: miscible
Microfiltered product (0.2 μm) and bottled under nitrogen atmosphere.
Conforms to Methanol R1 and R2 according to Reag. Ph. Eur.
Лесно запалимо
Acute toxicity
Carcinogenicity
Catalog number:
221091
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Sum21,73 EUR
Without VAT4,35 EUR
Total26,08 EUR
For orders over 102,26 EUR and up to 10 kg - free delivery!
Често задавани Въпроси!
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This case study is only valid when ordering chemical reagents that cannot be sent by a courier service that does not have a license to transport dangerous goods, such as the reagents themselves. Our refusal to send chemicals by Econt or Speedy is because the couriers themselves refuse to take such cargoes, due to lack of ADR. Therefore, such orders are fulfilled through Transpress or another shipping company meeting the requirements.
