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Organic Chemistry (342) - Inorganic Chemistry (123)
- Analytical Chemistry (1387)
- Physical Chemistry (62)
- General Chemistry (478)
- Chemistry AllOther (190)
Which is the best mobile phase to separate organic acids using C8 column. And how should the samples be prepared for hplc?
1 5112Why we used in n-butyl acetate water content terminology while in ethyl acetate we used moisture content terminology?
IDA,
1866How to calculation of residual solvent methanol (3000 ppm) standard solution, and how many quantity used of test sample
3251Arrange the following in their increasing polarity order Carboxylic acid, hydroxyl, phenyl, amino and aldehyde
1748
Basic principle of ESI?
Describe your field experience sample type collected,sample techniques,field measurements taken and equipment used?
why holium oxide prepared in 10% HCLO4 SOLUTION
there is something which we call as the basicity of an acid i wanted to ask is that is there something like the basicity of an alkali if yes than how can we define it?
what is difference b/w "regio selectivity" & "sterio selectivity"
In the HPLC Calibration done wavelength accuracy done between 200nm-280nm .but not done remaining 300-400nm not done ?
Why do we use KMnO4 in the test of control of obsorbance ? and why do we take specific quantity i.e 57-63mg?
How much is the standard area for glc analysis
How is the viscosity of liquid related to its mobility?
Define an electro chemical cell. Give one example? : Electrochemistry Corrosion
Practically why we get negative absorption in UV SPECTROPHOTOMETER when the time of cleaning sample analysis. is negative absorption in Uv valid or not?
What is density of a liquid?
How would you decide dissolution medium for NCE compound of class I drug
What is the principle of Particle size analysis and zeta potential
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.
