Warning—Personnel using this standard should have practical experience in regular laboratory work. This standard does not identify all possible safety issues. It is the user's responsibility to take appropriate safety and health measures and ensure compliance with national regulations. This standard specifies the subtraction method for the determination of vanadium tetroxide content. This standard is applicable to the determination of vanadium tetroxide content in vanadium pentoxide.
YB/T 4248-2011 Referenced Document
GB/T 6682 Water for analytical laboratory use.Specification and test methods
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values