sodium thiosulfate

About microscopic forms of life, including Bacteria, Archea, protozoans, algae and fungi. Topics relating to viruses, viroids and prions also belong here.

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michimichi
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sodium thiosulfate

Post by michimichi » Mon Apr 23, 2012 6:39 am

is it acceptable not to use sodium thiosulfate on water sampling bottles prior to sterilization and sampling?

JorgeLobo
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Post by JorgeLobo » Mon Apr 23, 2012 11:45 am

Thio is used to neutralize residual hypochlorite/chloramine that may limit microbial signal, esp. for coliform testing. Suppose nonchlorinated well water might not require it, but it is standard procedure. suggest you read appropriate chapter in Standard Methods for Testing Water and Wastewater.

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