Reagents for the photometric determination of silver in the range up to 1000 mg / L. PAN method.
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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 0.0 - 15 ppm | Molybdenum Blue Method | 0.1ppm resolution
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Range 0 - 300 ppm in salt water | Colorimetric Method | Resolution 1 ppm
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Range 0.0 - 12.5 ppm | DPD Method | Resolution 0.1ppm
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Range 0:00 to 2:00 ppm | ASTM D859 Method | 0.01ppm resolution
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Range 0.0 - 99.9 ppm NH3-N | Nessler Method | 0.1ppm resolution
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Range 0 - 600 ppb NO2-N | EPA method 354.1 | Resolution 1 ppb
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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.
081-855-1842
02-541-4199
เครื่องวัดค่าเหล็ก รุ่น HI721 
BL932700-1 ORP Mini Controller +/-1000mV - 4 to 20mA output - 220 V 
เซ็นเซอร์วัดออกซิเจนในน้ำสำหรับ HI9829 มัลติพารามิเตอร์ 
HI708 Checker HC ® - Nitrite, HR 
