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What is the difference b/w OVI Solvents and Residual
Solvents in case of Gas Chromatogaphy and What is its
Detection Limit?
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Answer Posted / r.ramalingeswararao
In old days residual solvents are called ovi. these ovi solvent having very low ppm levels...but up dation on guidelines ovi is call and changed as residual solvents becz so many different solvents are used in manufacturing process with different levels ppm ranges.so there is no difference between ovi and residual solvents....only termnalise changed but processing method entire same procedure.
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