Principles of Instrumental Analysis, 6th Edition
Principles of Instrumental Analysis, 6th Edition
6th Edition
ISBN: 9788131525579
Author: Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher: Cenage Learning
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Chapter 32, Problem 32.14QAP
Interpretation Introduction

Interpretation:

In the bloodstream of dog 2.00mL of solution was injected which has 0.113 microcurie per milliliter of tritium. The counting rate of 1.00mL sample of blood after allowing time of homogenization is 14.9 counts per seconds. The blood volume of animal is to be determined.

Concept introduction:

The volume of blood of animal is calculated by the isotope dilution method which is given as-

mx=RtRm×mmmt

Where,

mx = mass of inactive sample

Rt = counting rate

Rm = counting rate of inactive analyte

mm = isolated mass which is purified from the mixture of radioactive tracer

mt = mass of radioactive tracer

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