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HI755 Checker HC ® - MARINE Alkalinity (dHK)
1 × ฿3,104.07 -
×
HI715 Checker HC ® - Ammonia, MR
1 × ฿3,103.00
Subtotal: ฿6,207.07
Calibration Standard for HI 716 Checker HC ®
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Range 0.00 - 9.99 ppm NH3-N | Nessler Method | 0.01ppm resolution
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Range 0:00 to 3:50 ppm | USEPA Method 330.5 / DPD | Resolution 0.01ppm
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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 0:00 to 2:50 ppm | USEPA Method 330.5 / DPD | Resolution 0.01ppm
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Range 0 - 150 ppm | ferrous sulfate method | Resolution 1ppm