Hóa chất Methanol ≥99.8%, HPLC, gradient Code 20864.320
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Hóa chất Methanol ≥99.8%, HPLC, gradient
Code 20864.320
Xuất xứ: VWR - PHÁP
Dung môi HPLC dùng trong phòng thí nghiệm
Thông số kỹ thuật
|
Assay (on Anhydrous Substance) |
Min. 99.8% |
|
Acidity |
Max. 0.0003 meq/g |
|
Alkalinity |
Max. 0.0002 meq/g |
|
Boiling point |
64 - 65 °C |
|
Density (20/20) |
0.791 - 0.793 |
|
Evaporation Residue |
Max. 5 ppm |
|
Water |
Max. 0.03% |
|
Absorbance (210 nm) |
Max. 0.7 |
|
Absorbance (220 nm) |
Max. 0.3 |
|
Absorbance (230 nm) |
Max. 0.15 |
|
Absorbance (235 nm) |
Max. 0.1 |
|
Absorbance (250 nm) |
Max. 0.02 |
|
Absorbance (260 nm) |
Max. 0.01 |
|
Transmittance (210 nm) |
Min. 20% |
|
Transmittance (220 nm) |
Min. 50% |
|
Transmittance (225 nm) |
Min. 68% |
|
Transmittance (230 nm) |
Min. 74% |
|
Transmittance (235 nm) |
Min. 80% |
|
Transmittance (250 nm) |
Min. 95% |
|
Transmittance (260 nm) |
Min. 98% |
|
Transmittance (260 - 420 nm) |
Min. 98% |
|
Fluorescence (as Quinine; 254 nm) |
Max. 1 ppb |
|
Conforms Ph. Eur. R 1053200 |
Passes test |
|
Conforms Ph. Eur. R1 1053201 |
Passes test |
|
Conforms Ph. Eur. R2 1053202 |
Passes Test |