Showing 529–540 of 725 results

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฿3,959.00

The HANNA Test Kit for phosphate determines the phosphate concentration in irrigation water via checker disc.

฿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.

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สินค้าหมดแล้ว
฿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.