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เครื่องวัดค่าเหล็ก รุ่น HI721
1 × ฿3,103.00 -
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HI717 Checker HC ® - Phosphate, HR
1 × ฿3,103.00
Subtotal: ฿6,206.00
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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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Range 0 - 150 ppm | ferrous sulfate method | Resolution 1ppm
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Range 0.0 - 15 ppm | Molybdenum Blue Method | 0.1ppm resolution
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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 - 600 ppb NO2-N | EPA method 354.1 | Resolution 1 ppb
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Range 0.0 - 99.9 ppm NH3-N | Nessler 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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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.