Technical Parameters:
HJ 637-2012 | |
Qualitative approach | Infrared spectra |
Instrument detection limit | 0.4mg/L petroleum standard solution |
The maximum range of the instrument | 800mg/L petroleum standard solution (0.5cm quartz cuvette) |
Method detection limit | 0.01mg/L oil |
Sample measurement range | 0 to 100% oil (enriched or diluted) |
Based on the measured value | ρ=X•A2930+Y•A2960+Z•(A3030-A2930÷F) |
CH accuracy | 100mg/L±10% |
CH2 accuracy | 20mg/L±10% |
CH3 accuracy | 20mg/L±10% |
Accuracy of 100mg/L reference material | ±8% |
50mg/L standard substance accuracy | ±10% |
5mg/L standard substance accuracy | ±10% |
Repeatability | < 1% |
Absorbance range | 0.00000 to 2.00000(A) logarithmic scale |
Absorbance minimum scale | 0.008(A) |
Measurement wavelength range | 3200nm to 3550nm |
Wavelength resolution | 2.5nm |
Wavelength repeatability | ±1nm |
Scanning wave number range | 3400cm-1 to 2400cm-1 |
Wave number accuracy | ±1cm-1 |
Extraction solvent | Carbon tetrachloride and tetrachloroethylene |
Correlation coefficient | r ≥ 0.999 |
Characteristic map scanning speed | < 1 minute/time |
Zero stability | No drift |
Quartz Cell Specifications | 0.5cm to 5cm |
Workstation connection | Built-in computer |
Workstation system | (No external workstation required) |
Best use temperature | Windows 7 |
Optimum use humidity | 20°C to 25°C |
weight | < 50% RH |
volume | 13.8kg |
power supply | 530mm × 380mm × 220mm |
