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฿2,621.50
Reagents for HI 770 Checker HC ®, 25 Tests
฿802.50
Reagents for HI 771 Checker HC ®, 25 Tests
Chemical test kits
฿1,337.50
Iron can exist as ferrous (Fe2+) or ferric (Fe3+) ions. The HANNA test kit determines total iron levels in water via a colorimetric method. First all ferric ions are reduced by sodium sulfite to ferrous ions.
฿3,103.00
COD Reagent kit for 25 test vials (O2)
Dissolved Oxygen Meter
฿1,070.00
HI7040L zero-point calibration for oxygen sensors for measuring dissolved oxygen, a 500-ml bottle with the solvent and a vial with 35 ml of the reagent.
