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Dung dịch chuẩn Macron Fine Chemicals™
Nhà cung cấp: MACRON (A AVANTOR BRAND)
Specification Test Results:
| For Laboratory,Research,or Manufacturing Use | |
| Fluorescence Trace Impurities, measured as Quinine Base - at 450 nm Emission | ≤ 0.1 ppb |
| Fluorescence Trace Impurities, measured as Quinine Base - at Emission Maximum for Impurities | ≤ 0.2 ppb |
| pH | 5.0 - 8.0 |
| Residue after Evaporation | ≤ 0.0001 % |
| Suitability for HPLC | Passes Test |
| ACS - Specific Conductance at 25°C. (/uohms⁻¹ cm⁻¹) | ≤ 2.0 |
| Substances Reducing Permanganate | Passes Test |
| Chloride (Cl) | ≤ 0.4 ppm |
| ACS - Electrical Resistivity at 25°C (Mohm.cm) | ≥ 0.5 |
| Heavy Metals (as Pb) | ≤ 0.01 ppm |
| Nitrate (NO₃) | ≤ 0.4 ppm |
| Phosphate (PO₄) | ≤ 1.0 ppm |
| Silicate (as SiO₂) | ≤ 0.01 ppm |
| Sulfate (SO₄) | ≤ 1.0 ppm |
| Filtered through a 0.2 micron filter. | |
| Appearance (clear, colorless liquid) |
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