Direct Mercury Analyzer NDMA-101 features a wavelength of 253.65 nm for accurate mercury detection. It features a low-pressure mercury lamp and a UV silicon photodetector, ensuring precise measurement. Our unit provides a detection limit of ≤0.0005 ng, delivering consistent results. This analyzer offers a 60-position automatic sampler, allowing for efficient processing. It has a dual optical path absorption cell to maintain stable operation
| Wavelength | 253.65 nm |
| Light Source | low pressure mercury lamp |
| Automatic Sampler | 60 units |
| Maximum Injection Volume | 1.5g(solid), 1.5mL(liquid) |
| Detection Limit | ≤0.0005ng |
| Relative Standard Deviation | ≤1%RSD |
| Linear Range | 0 to10ng (long absorption cell) 10 to 200ng (short absorption cell) for primary fitting linearity 0.1 to 40ng (long absorption cell) 40 to 1500ng (short absorption cell) for quadratic fitting linearity |
| Operation Temperature | 15℃ to 25℃ |
| Operation Humidity | ≤ 80% |
| Correlation Coefficient | ≥0.999r (long absorption cell) ≥0.999r (short absorption cell) |
| Analysis Time | ≤2.5min/time |
| Sample Type | solid, liquid, gas |
| Carrier Gas | high purity oxygen(concentration:99.99%; flow:100 to 250mL/min) |
| Measurement Method | peak height/peak area |
| Absorption Cell | dual optical path; constant temperature |
| Detector | UV silicon photodetector |
| Sample Handling | no chemical digestion; electrothermal analysis |
| Power Supply | 220V±22 AC; 300VA; 50Hz±0.5Hz |
| Dimension (L×W×H) | 930×580×420 mm |
| Weight | 70kg |
Direct Mercury Analyzer NDMA-101 provides fast and precise mercury detection. It is applied in environmental protection, food safety, agriculture, metallurgy, and water treatment.