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$2434.00
SE
TONGAO TR-108H COD (Chemical Oxygen Demand) Tester
0~10000Mg/L (measured in sections)
Digestion Colorimetric integrated tube detection, detection of COD concentration value, range 5mg/L-10000mg/L (segmented), Sensitivity up to 0.001mg/L, with digestion instrument and pipette gun.
$786.00
SE
TONGAO TR-701H Water Quality Nitrate Nitrogen Tester
nitrate nitrogen0~10Mg/L (measured in sections)
Detection of nitrate nitrogen content, the range is 0.5mg/L-10mg/L (measured in sections), no digestion is required, the detection time is 10 to 15 minutes, and the digestion Colorimetric integrated detection is used, which conforms to the standard of "Water Quality, Chromotropic Acid Spectrophotometry".
If you don't know how to choose "STIP-scan", please consult customer service.