Recent content by nhfs49

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    Chemistry in Industry- water treatment

    The Chloramine is used widely because he has a less effect on taste and odor in water.
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    What Does 'Per cm' Mean in Chemistry and How is it Used in Spectroscopy?

    cm -1 is used for infrared spectroscopy. it indicates the inverse of frequency.
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    Reduce Iron in Water: Chlorination or Filtration?

    Use green sand filter. the disadvantage is that you need to generate it using potassium permanganate solution.
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    Procedure to determine total kjeldahl-nitrogen Kj-N for leachate

    Can someone tell me where to find the details of this procedure. I couldn't find anything on net, and i cannot buy the ASTM Book. Thanks in advance.
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    Procedure to determine total kjeldahl-nitrogen Kj-N for leachate

    thank you my friend.i'll search for it.
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    What Are Some Recommended Websites for Learning About Chemistry?

    very useful sites. thank you
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    Procedure to determine total kjeldahl-nitrogen Kj-N for leachate

    Kindly recommend a procedure to determine total kjeldahl-nitrogen Kj-N for leachate. I use the hach method and I want to compare it with another one especially that I'm participating in a universal proficiency test. Thanks in advence.