Set of reagents for determining magnesium concentration in freshwater.

Set of reagents for determining iodine concentration in seawater.

Set of reagents for determining iron concentration in fresh and sea water.

Reagent set for determining total chlorine concentration in freshwater.

Set of reagents for determining the concentration of free chlorine in fresh water.

Set of reagents for determining calcium concentration in fresh water.

Set of reagents for determining calcium concentration in seawater.

Test Phosphate - 100 tests

Test Magnésium - 75 tests

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