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Organic Chemistry (342) - Inorganic Chemistry (123)
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1 why polyesterene film used for ftir calibration ? 2 why k2cr2o7 is used for control of abs in uv ? 3 why holmium oxide used for control of wavelength in uv
3 12954In lcms analysis some times we get sodium and potassium adducts. if the compound is havine sodium ions how can we confirm wether sodium is from sample or it is a adduct?
2 7691
How to choose the which salt is suitable for mobilephase
Head-to-tail polymerization of propylene is observed with the [cp2zr(r)]+ catalyst. Explain this result on the basis of molecular-level interactions. : Polymer Chemistry
what is stero electronic factor.2 what is steric control factor and what is product control factor
Which wavelengths are visible to human eye?
composition of german silver
Polymer chain growth can be terminated by b-hydride elimination or by reaction with h2. What is one advantage of the h2 reaction? : Polymer Chemistry
Identify problem faced when mass spectroscopy is used with HPLC system ?
how many types of balance calibration test?
What is column in chromatography?
how require to fix the linearity and accuracy cincentration range?
how decide the clining method and cleaning method validation require for this perticular products?
What if impurity area in control sample coming more as compared to LOQ level of impurity ?
How would you describe the orientation of the ligands around the zr center in the homogeneous zirconium catalyst? : Polymer Chemistry
Mention a few important criteria for satisfactory colorimetric analysis.
As a chemist working with Actinium, what safety precautions and protocols would you follow due to its radioactive nature?
