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Organic Chemistry (342) - Inorganic Chemistry (123)
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why KF factor is between 4.5 to 7.5 mg/ml ? why ? why sometime pyridine is used in analysis like in raw material solvent like acetone etc?
11 72082Acid value defination is numbber milligrams of KOH required to nuetralise the acid present in one gram oil & fats but why not use NaOH for nuetralisation?
5 11932what is the importance of peak purity in HPLC and how we can calculate through manul(not software)?
4488When performing Moisture content how to you say only Methanol react with water not product Explain?
2 10368What is hybridyzation ? How can i find that which type hybridyzation in perticular compound like in CH4(hy is sp3).
1 4188
IS THERE ANY EQUIPMENT TO CHECK AND CALCULATE THE POLARITY OF A LIQUID?
Define the full form of hcl?
what is classification of elemental impurities? what is risk assement in elemental impurities?
is it necessary to do HPLC calibration at wavelength 315nm if we are doing analysis at this wavelangth
What general group of organic compounds are not oxidesied in the cod test?
what is the difference between elctrefining and electrolysis?
How to caluclate %w/v& %w/w ple give examples solids&liquids 10%NAOH W/W 10%W/V- 20%HCL W/W &W/V
How many electrons does benzene have?
Differentiate between modern periodic table and mendeleevs table?
Why are metals often good catalysts? : Polymer Chemistry
In HPLC Calibration, On which basis RSD Limit of noise test is fixed (NMT 33.0 % )
what you do when compound having dwel wavelength?
We use Potassium Dichromate solution for the calibration of UV-Visible Spectrophotometer in UV region. My question is to calibrate visible region which solution could be used in photometric accuracy
In Assy by potentio metry titration method how select MET U ,DET U, SET U,
Mention a few application of cod test in environmental engineering practice.
