what is the basic principle of conductivity meter
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what is mean by kcl
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when we talk about change in entropy we consider total entropy means of surround +entropy of system but when we talk about change in Gibss free energy we consider entropy of system.explain with reason.
how to set sample and standard concentration in RS method?
How can we calculate offset value pH measurment
what is mean by covalidation
Why irmoisture balance is used for corrugated box moisture testing
What are the primary considerations in extractables and Leachables ?
How to determine the EDTA content by potentiometry titration in Ceftriaxine sodium
how to decide for one product require water content or LOD?
why we use Dichlorobenzene.nitrobezine.t-butyldi sulhate.for calibration of gc Head space
how to calculate elemental impurities?
Explain the relations between number of carbon atoms in alkanes and retention time ?
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
how we can identify the impurity is coming below loq at transfering site?
In HPLC calibration, caffeine is used as primary standard for wave length calibration due to caffeine is having dual maxima at 273 & 205 nm and one minima at 245 nm. Any body can give reference of these details from any pharmacopeia (with chapter no.) or any other authentic guideline?
Why only hydroxy naphthol blue indicator is used for standardisation of 0.05M EDTA solution instead of solochrome Black T or Euriochrome Black T indicator which is used for all sample analysis with 0.05M EDTA solution?