Reagents for the photometric determination of sulfate in the range up to 150 mg / L. Turbidimetric method.
All Product
Range 0 - 150 ppm | ferrous sulfate method | Resolution 1ppm
All Product
Range 0:00 to 2:00 ppm | ASTM D859 Method | 0.01ppm resolution
All Product
The HI 761 uses an adaptation of the USEPA method 330.5. The reaction between the chlorine and DPD reagent causes a pink tint in the sample.
All Product
Range 0.0 - 15 ppm | Molybdenum Blue Method | 0.1ppm resolution
All Product
Range 0:00 to 2:00 ppm | EPA method 340.1 | 0.01ppm resolution
All Product
Range 0:00 to 3:00 ppm NH3-N | Nessler Method | 0.01ppm resolution
All Product
Range 0.0 - 99.9 ppm NH3-N | Nessler Method | 0.1ppm resolution
All Product
Range 0-999 ppb | ASTM Method D1687-92 diphenylcarbonate | Resolution 1 ppb
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เครื่องวัดปริมาณคลอรีนอิสระ รุ่น HI701 
