What is the formula to determine the concentration of M of a solution given the % transmittance? Use %T = 43.7 as an example.

2763

Why only 1.2 million lux hours require in photostability study?

1105

Why we are use glass viscometer, and what is calculation manual calculation formula as per USP. How many types of viscometre in glass type viscometer.

2400

1)What's the meaning of Absorption,give a example. 2)What's the meaning of Adsorption,give a example. 2)what is the difference between Absorption and Adsorption.

2947

which gas is used in preaparation of bit salt

2363

write short note on steroids,terpenes,prostagladins,and phospholipids.

6483

Write the chemical formula for epsom salts?

1139

Why there is no bond with 100% ionic character...??

1888

naphtha and hexane mixture can be used a fuel or not

2499

What is hybridyzation ? How can i find that which type hybridyzation in perticular compound like in CH4(hy is sp3).

4267

can we use the same detector in HPLC as well GC and what could be the differences we can find in the final chromato graph in any aspects?

2228

Why to use propyl paraben in HPLC gradient calibration

7600

Mention a few important criteria for satisfactory colorimetric analysis.

1595

What are the types of corrosion? : Electrochemistry Corrosion

1061

WHY given much noise PDA dector then VWD Dector

2153