Warning: Personnel using this standard should have practical experience in formal laboratory work. This standard does not address all possible safety issues. Users are responsible for taking appropriate safety and health measures and ensuring compliance with the conditions stipulated in relevant national regulations. This standard specifies the test method for the determination of refractive index using an Abbe refractometer. This standard is applicable to the determination of the refractive index of precipitated hydrated silica and also to the determination of the refractive index of other light-colored fillers.
HG/T 3071-2008 Referenced Document
GB/T 6682 Water for analytical laboratory use.Specification and test methods*, 2008-05-15 Update