| Determination of ammonia technical indicators | |
| Direct measurement range: | 0.02 to 12mg / L |
| Repeatability: | ± 10% |
| Stability: | ± 0.001 A/10min |
| Measuring time: | watery direct determination will take 10 to 15 minutes |
| Determination of the number : | a 4 to 6 samples can be determined simultaneously |
| Determination of COD technical indicators | |
| Measuring range: | 10 to 1000 mg / L |
| Measuring time: | 20 minutes simultaneous determination of nine water samples |
| Resistance to chloride interference: | less than 1000 mg / L had no significant effect |
| Precision: | COD = 20 mg / L V <10% |
| COD = 300 mg / L V <5% | |
| Determination of total phosphorus technical indicators | |
| Digestion temperature: | 165 ° C ± 1.0 ° C |
| Digestion time: | 10 minutes |
| Measurement range: | 0.02 ~ 12mg / L |
| Measurement accuracy: | Laboratory relative standard deviation of ≤ ± 10% |
| Determination of the number : | a 4 to 6 samples can be determined simultaneously |
| Determination of ammonia technical indicators | |
| Measuring time: | 30 to 50 minutes |
| The number of samples: | 9 |
| Optical stability: | ≤ ± 0.001 A/10min |
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