Hóa chất Acetonitrile, anhydrous (max. 0.003% H₂O) ≥99.95% HPLC Code 83639.400
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Hóa chất Acetonitrile, anhydrous (max. 0.003% H₂O) ≥99.95% HPLC
Code 83639.400
Xuất xứ : VWR - Pháp
Đạt tiêu chuẩn :Ph. Eur., USP, ACS
Dung môi HPLC dùng trong phong thí nghiệm
Thông số kỹ thuật
|
Assay |
Min. 99.95% |
|
Solution (100 g/l) |
Neutral |
|
Acidity |
Max. 0.0008 meq/g |
|
Alkalinity |
Max. 0.0006 meq/g |
|
Boiling point |
80 - 82 °C |
|
Colouration |
Max. 10 APHA |
|
Density (20/4) |
0.781 - 0.784 |
|
Density (20/20) |
0.782 - 0.785 |
|
n 20/D |
1.343 - 1.345 |
|
Evaporation Residue |
Max. 2 ppm |
|
Water |
Max. 30 ppm |
|
Absorbance (190 nm) |
Max. 1 |
|
Absorbance (195 nm) |
Max. 0.1 |
|
Absorbance (200 nm) |
Max. 0.02 |
|
Absorbance (210 nm) |
Max. 0.02 |
|
Absorbance (220 nm) |
Max. 0.01 |
|
Absorbance (230 nm) |
Max. 0.01 |
|
Absorbance (240 nm) |
Max. 0.005 |
|
Absorbance (250 nm) |
Max. 0.005 |
|
Absorbance (240 - 420 nm) |
Max. 0.005 |
|
Transmittance (190 nm) |
Min. 10% |
|
Transmittance (195 nm) |
Min. 80% |
|
Transmittance (200 nm) |
Min. 95% |
|
Transmittance (210 nm) |
Min. 96% |
|
Transmittance (220 nm) |
Min. 97% |
|
Transmittance (230 nm) |
Min. 98% |
|
Transmittance (240 nm) |
Min. 99% |
|
Transmittance (250 nm) |
Min. 99% |
|
Transmittance (240 - 420 nm) |
Min. 99% |
|
Fluorescence (as Quinine; 254 nm) |
Max. 1 ppb |
|
Gradient Grade (210 nm) |
Max. 3 mAU |
|
Gradient (254 nm) |
Max. 1 mAU |
|
Conforms to ACS |
Passes test |
|
Conforms to ACS (HPLC/UV) |
Passes test |
|
Conforms to Reag. Ph. Eur. |
Passes test |
|
Conforms to USP |
Passes test |