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Reagents for the photometric determination of zinc in the range of up to 3.00 mg / L. Zircon method.
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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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฿3,103.00
Range 0 - 20 ppm | ESPA method | Resolution 0.1ppm
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฿3,103.00
The HI 771 Checker®HC is a simple, accurate, and cost effective way to measure ultra-high ranges of chlorine. Designed as a more accurate alternative to chemical test kits, the HI 771 provides quick, accurate results in four easy steps.
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฿481.50
Reagents for HI 755 Checker HC ®, 25 Tests
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฿3,104.07
Range 0 - 300 ppm in salt water | Colorimetric Method | Resolution 1 ppm
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฿3,103.00
Range 0 - 600 ppb NO2-N | EPA method 354.1 | Resolution 1 ppb
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฿3,103.00
Range 0.0 - 8.0 ppm | DPD method | Resolution 0.1ppm
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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.