Showing 541–552 of 735 results

฿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.

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฿1,551.50

The sodium and sodium chloride standard solutions are used for the calibration of pocket sized, portable, bench salinity meters and sodium ISE.