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เครื่องวัดคลอรีน
1 × ฿3,103.00
Subtotal: ฿3,103.00
Calibration checking set for Checker®HC HI 764 Nitrite Ultra Low Range.
(0 and 100 ppb nitrite)
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Range 0.0 - 15 ppm | Molybdenum Blue Method | 0.1ppm resolution
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Range 0:00 to 5:00 ppm | EPA Method 315 B | 0.01ppm resolution
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Range 0.00 - 9.99 ppm NH3-N | Nessler Method | 0.01ppm resolution
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฿3,103.00
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.
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Range 0.0 - 12.5 ppm | DPD Method | Resolution 0.1ppm
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Range 0.0 - 8.0 ppm | DPD method | Resolution 0.1ppm
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Range 0.0 - 99.9 ppm NH3-N | Nessler Method | 0.1ppm resolution
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Range 0 - 200 ppb | ascorbic acid method | Resolution 1 ppb