Environmental skills [filem jalur]

Contents : 1.How to measure the dissolved oxygen content of environmental waters using the modified winkler titration method with full bottle technique -- 2. How to measure water hardness -- 3. How to analyze for a heavy metal in environmental waters, part I :Absorption spectroscopy -- 4. How to ana...

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Published: Fairfield, Conn. : Communication Skills Corp., 1974
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Summary:Contents : 1.How to measure the dissolved oxygen content of environmental waters using the modified winkler titration method with full bottle technique -- 2. How to measure water hardness -- 3. How to analyze for a heavy metal in environmental waters, part I :Absorption spectroscopy -- 4. How to analyze for a heavy metal in environmental waters, part II : Atomic absorption spectroscopy -- 5. How to analyze for chlorinated hydrocarbon pesticides in environmental waters using gas chromatography -- 6. How to measure totalsuspended matter and fixed residue in natural and waste waters -- 7. How to determine chemical oxygen demand (COD) in natural and waste waters -- 8. How to measure ammonia nitrogen and total kjeldahl nitrogen in environmental waters -- 9. How to measure total phosphorus in natural waters and wastewaters -- 10. How to measure oil and grease in aquatic environments -- 11. How to measure the alkalinity of natural and waste waters -- 12. How to measure the turbidity of environmental waters (nephelometric method) -- 13. How to measure residual chlorine in environmental waters -- 14. How to determine the total residue the total residue on evaporation and the total volatile residue of environmental waters -- 15. How to measure nitrate nitrogen in environmental waters