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Re: Aquatic Plants Digest V4 #11

In Digest #11 Roger Miller wrote:

> I checked on the Hach site and most of their nitrate kits use the cadmium 
> reduction method, which would be used to analyse nitrate+nitrite. The 
> exceptions are a test strip (I can't even imagine what the method is) and 
> a kit that uses salicylate, which I'm not familiar with.  LaMotte doesn't 
> make it obvious which method they use.

Lamotte uses the cadmium test.  I don't know what their web site says,
but if you buy the product it's clear; you can always tell a cadmium
product from the safety info that comes with it.

Dan Drake
dd at dandrake_com