Why only hydroxy naphthol blue indicator is used for standardisation of 0.05M EDTA solution instead of solochrome Black T or Euriochrome Black T indicator which is used for all sample analysis with 0.05M EDTA solution?
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Why we are having specification 100% above in case of assay as there is only 100% of compound?
2 Answers MSN Pharma, Nectar Lifesciences,
what is the use of tap density apparatus? why we calculate it? what is the difference between the bulk density and tap density?
1 Answers Alchemist, Alembic, Apex,
What is the procedure for UV-spectrophotometer calibration?
How can we Qualify a unknown impurity by HPLC
what is the balance drift?
how does h2so4 prevent oxidation of mohr salt before it is titrated?
what is Fourier Transform
3 Answers Graviti Pharmaceuticals, GVK,
Ph meter can show more than 14 ph reading? Why ph range in between 1 to 14 only?
which light is used in FT-IR spectroscopy
What is polymorphism?which type of compounds exhibits polymorphism?
whai is primary standard?
How to decide restandardisation due or retest or expiry of Volumetric solutions prepared in wet chemistry lab?