Hóa Chất Acetonitrile cho sắc ký lỏng Gradient Grade 4L (P/N: 1000304000)
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Hàng mới 100%
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Liên hệ: 0918 376 013 (Mr. Phương)
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Email: Info@chanu.com.vn
Mô tả
| Purity (GC) | ≥ 99.9 % |
| Identity (IR) | conforms |
| Evaporation residue | ≤ 2.0 mg/l |
| Water | ≤ 0.02 % |
| Color | ≤ 10 Hazen |
| Density (d 20 °C/20 °C) | 0.78 |
| Refractive index (n 20/D) | 1.344 |
| Boiling range (80-82°C) | ≥ 95 % (v/v) |
| Acidity | ≤ 0.0002 meq/g |
| Alkalinity | ≤ 0.0002 meq/g |
| Gradient grade (at 210 nm) | ≤ 1.0 mAU |
| Gradient grade (at 254 nm) | ≤ 0.5 mAU |
| Fluorescence (as quinine at 254 nm) | ≤ 1.0 ppb |
| Fluorescence (as quinine at 365 nm) | ≤ 0.5 ppb |
| Transmission (at 193 nm) | ≥ 60 % |
| Transmission (at 195 nm) | ≥ 80 % |
| Transmission (from 230 nm) | ≥ 98 % |
| Filtered by 0.2 µm filter. Suitable for UPLC / UHPLC /Ultra HPLC - instruments. Conforms to Acetonitrile for chromatography and Acetonitrile R1 according to Reag.Ph Eur; conforms to the requirements of ACS for liquid chromatography suitability. | |
