TOP BIOLOGICAL OXYGEN DEMAND TEST PROCEDURE SECRETS

Top biological oxygen demand test procedure Secrets

Having said that, in specific sample sorts (like some industrial wastes, significant temperature wastes and addressed effluent), There is certainly not ample bacterial action to eat the material which is existing. In these conditions, seed needs to be added. Seed is just a solution that contains a adequate populace of germs. Hach provides PolySeed�

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