http://en.wikipedia.org/wiki/Water_quality
Sample preservation may partially resolve the second problem. A common procedure is keeping samples cold to slow therate of chemical reactions and phase change, and analyzing the sample as soon as possible; but this merely minimizes the changes rather than preventing them.
Sample preservation may partially resolve the second problem. A common procedure is keeping samples cold to slow therate of chemical reactions and phase change, and analyzing the sample as soon as possible; but this merely minimizes the changes rather than preventing them.
No comments:
Post a Comment