measurement standard | Measuring range | Standard solution indication error | Reproducibility |
Zinc | 0.5ppb-40ppm | ≤±3% | RSD≤5% |
lead | 0.5ppb-50ppm | ≤±3% | RSD≤5% |
cadmium | 0.1ppb-40ppm | ≤±3% | RSD≤5% |
copper | 0.1ppb-30ppm | ≤±3% | RSD≤5% |
HG | 0.1ppb-6ppm | ≤±3% | RSD≤5% |
arsenic | 1ppb-20ppm | ≤±3% | RSD≤5% |
thallium | 0.5ppb~40ppm | ≤±3% | RSD≤5% |
manganese | 1.5ppb~6ppm | ≤±3% | RSD≤5% |
Hexavalent chromium | 1ppb~20ppm | ≤±3% | RSD≤5% |
nickel | 1.5ppb~30ppm | ≤±3% | RSD≤5% |
iron | 0.5ppb~20ppm | ≤±3% | RSD≤5% |
cobalt | 1.5ppb~30ppm | ≤±3% | RSD≤5% |
antimony | 1.5ppb~40ppm | ≤±3% | RSD≤5% |
selenium | 1ppb~30ppm | ≤±3% | RSD≤5% |