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Question/Answer

Is item #LC105602 the digestion solution for TKN analysis by EPA 351.2?

Yes, this item can be used as the digestion solution for EPA Method 351.2 for mercury free digestions.

What is the composition of this reagent?

This reagent is composed of phosphoric acid, sulfanilamide, and N-(1-naphtyl)ethylenediamine dihydrochloride in water. It follows the instructions given in Standard Methods 4500 NO3 E and 4500 NO2 B.

Is this product suitable for Hg analysis? Is it double bagged?

This product is suitable for regular mercury analysis such as EPA method 245.1. It is not suitable for low level methods such as EPA 1631.

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