Water Quality Testing Kits
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Aqua Solutions Nitrogen Standard 20.0 ug/ml in Toluene (4oz)
Nitrogen Standard 20.0 ug/ml in Toluene (4oz)
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Taylor Chemical Iodide Iodate N/126, 1 Gallon
Iodide Iodate N/126, 1 Gallon, Boiling Point 212°F (100°C), This item has a minimum order quantity of 2 per supplier requirements
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Aqua Solutions Hardness Standard 50,000 ppm as CaCO3 (4L)
Hardness Standard 50,000 ppm as CaCO3 (4L)
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Thomas Scientific Trace Hardness Test Kit -- 1 drop 0 5 ppm as CaCO3 / 25mL
Trace Hardness Test Kit -- 1 drop 0 5 ppm as CaCO3 / 25mL
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Thomas Scientific Total Hardness Test Kit (Liquid Indicator) -- 1 drop 10 pp
Total Hardness Test Kit (Liquid Indicator) -- 1 drop 10 pp