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A 64-g sample of germanium-66 is left undisturbed for 12.5 hours. At the end of that period, only 2.0 g remain. What is the half-life of this material? 4. With a half-life of 28.8
Principle of atomic fluorescence spectrometry: In AFS, the analyte is converted within gaseous atoms in the ground state using a appropriate atomization technique. These are t
in which state carbon exist
A diluted polymer solution with a density of 1130 kg/m3 was extruded by a capillary tube of 3.5 mm internal diameter and 1 m long. The following results were contained at 25°C.
Electronic configuration of H - is : (1) 1s 0 (2) 1s 1 (3)1s 2 (d) 1s 1 , 2s 1 Ans: 1s 2
to determine the exact concentration of a monobasic acid, hx
Trace and ultratrace analysis: The accuracy, precision and detection limits of flame AAS depend on how the analyte sample is introduced into the atomiser. We need to transfer
Q.How can we determine Concentrations of Solutions? Ans. The concentration of a solution is the quantitative expression of the amount of solute dissolved in the solution.
Explain Bromination of N-N-dimethylaniline Bromination of N,N-dimethylaniline is faster because nitrogen has an unshared electron pair that can stabilize the carbocation inter
The role of prion in BSE
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