[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: NO3 testing
Date: Wed, 15 May 2002 07:08:20 -0500
From: Bill Warner <lww at ictech_net>
Subject: Re: NO3 testing
> Nitrate test kits do not measure nitrate directly. The first step is to
> reduce nitrate to nitrite. It is the nitrite that actually forms the
> color. The 10-20 minute waiting period is to allow sufficient time for
> the nitrate in your sample to be fully reduced.
> - --Bill
So more you wait more accurate it is ?