Answer / ankita

DIPOLE MOMENT IS DEFINED AS PRODUCT OF THE MAGNITUDE OF
CHARGES AND DISTANCE BETWEEN TWO CHARGES.

IR ACTIVE ARE THOSE COMPOUNDS WHICH RESULTS IN CHANGE IN
DIPOLE MOMENT.

Why we check moisture,ash & AIA in product

0 Answers  

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I want analyze my compound at 325 nm so which standard shall i use to calibrate my HPLC system? How i can assure my hplc detector is suitable or not?

3 Answers   AMRI,

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What is the use of tlc and hplc? And when and where use?

0 Answers  

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Why used 0.02% v/v solution of toluene in hexane for calibration of UV.

3 Answers  

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what is pKa ?

10 Answers   Dr Reddys, Shasun Chemicals,

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what is the principle involved in turbidometry and nephelometry ?

0 Answers   Graviti Pharmaceuticals,

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In case of HPLC coloums what is the difference Between C8 & C18 coloums & how can we select difference type of coloums like Inertial ODS , Hypersil BDS , ODS etc.?

4 Answers   MSN Pharma,

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why we are using k2cr207 in uv calibration ? why we r not using kmno4?

1 Answers   Glochem, Sidmak Laboratories,

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what is the basic principle of conductivity meter

4 Answers   Hetero,

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How can we determine Moisture content of HI?

1 Answers   Cipla, Reddy Labs,

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In 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 Answers   Teva Pharmaceuticals,

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what is principal of karl ficher instrument!

12 Answers   Alkem Labs, USV,

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