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Content with label hydrogen-sulphide in REBEL WP8: Biotechnology (See content from all spaces)
Related Labels: sample, narrative-text, wastewater-treatment, biotechnology, testing, waste-water

Page: Putrescibility (hydrogen sulphide test)
time\ In putrid waste water H{}2{}S is produced. If it comes into contact with lead acetate paper, the latter turns black owing to formation of PbS. The test is used to determine whether putrid waste water is arriving from the sewer system rebwp8 ...
Other labels: sample, narrative-text, testing, biotechnology, wastewater-treatment, waste-water
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