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Water source | Indicator Name | |||||||
electrical conductivity μs/cm@25℃ | resistivity MΩ•cm@25℃ | PH | TOC ppb | SiO2 ppb | heavy metal ppb | calcium ppb | Total dissolved solids ppb | |
Tap water | 200-2000 | NA | 4000 | 20000 | 10000 | 1 million | ||
Single distilled water | 2-10 | 0.1-0.5 | 5-7.5 | NA | 1000 | 50000 | ||
Double distilled water | 1-2 | 0.5-1 | 5-7.5 | 25-100 | 70 | 50 | 80 | 300 |
Three-distilled water | 0.5 | 2 | 50 | 50 | 300 | |||