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HI721 Checker HC ® - Iron
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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The HI 775 Checker®HC is a simple, accurate, and cost effective way to measure alkalinity. Designed as a more accurate alternative to chemical test kits, the HI 775 provides quick, accurate results in four easy steps.
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฿3,103.00
Range 0 - 150 ppm | ferrous sulfate method | Resolution 1ppm
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Range 0 - 200 ppb | ascorbic acid method | Resolution 1 ppb
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฿2,782.00
The HI 764 Checker®HC is extremely simple to use. First, zero the instrument with your water sample. Next, add the reagent. Last, place the vial into the HI 764 Checker®HC, press the button and read the results. It’s that easy.
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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 3:00 ppm NH3-N | Nessler Method | 0.01ppm resolution
Out of stock
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Range 0:00 to 2:00 ppm | EPA method 340.1 | 0.01ppm resolution
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฿3,103.00
Range 0:00 to 3:50 ppm | USEPA Method 330.5 / DPD | Resolution 0.01ppm