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These methods have been developed or tailored by NIOSH or its associates and have been evaluated Based on recognized experimental protocols and efficiency conditions. NMAM approaches are made use of all over the world.All responses posted become a part of the general public area, and people are chargeable for their responses. This is a moderated we
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The basis of spectrophotometric solutions is The straightforward relationship concerning the absorption of radiation by a solution as well as focus with the coloured species in the solution [forty eight]. A molecule or ion exhibits absorption inside the seen or UV area if the radiation (photons) will cause an electronic changeover within the molecu