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For this purpose a measurement with reagent “Standard” (potassium) is carried out
fully waterproof base board
During the application period
it acts as a chemical filter
Subtract this value (measured potassium concentration) from the standard value 400 mg/l (concentration of the potassium standard)
Hanna Instruments Marine Magnesium Reagents HI-783-25 - 25 Tests uv15 For this purpose a measurementHI 783 25 Marine Magnesium reagents, 25 tests, for use with the HI 783 Marine Magnesium Handheld Colorimeter Checker.
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