hygiene1

Card Set Information

Author:
sentpar
ID:
110374
Filename:
hygiene1
Updated:
2011-10-19 19:36:22
Tags:
ih
Folders:

Description:
industrial hygiene
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  1. What is the benefit of Dispersive IR that use double beam (null type)
    • The null type elminates the flucturation of the source and detector.
    • Compensates for the internal scattering or interference caused by the solvent
  2. Which IR absorption spectroscopy is ideal for single gas quantitative analysis?
    IR non-dispersive
  3. Name the reducing agent that is used in Mercury Cold Vapour AAS.
    Stannous Chloride
  4. What are the limitations of AAS -> Atomic absorption Spectroscopy?
    • Elemental analysis only
    • Can only analyze one element at a time
    • When you want to do multiple elements, the lamp costs will add up
    • Lamps have life span - added cost to replace
    • Can take a long time (Graphite Furnace AAS)
    • Destructive Technique

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