indc2007 - T IlE UNIVERSITY OF NEW SOUTH WALES NOVEMBER,...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
TIlE UNIVERSITY OF NEW SOUTH WALES NOVEMBER, 2007 INDC2003 Industrial Chemistry Laboratory I TIME ALLOWED: 3 hours TOTAL NUMBER OF QUESTIONS: 12 ALL QUESTIONS ARE OF EQUAL VALUE. ANSWER QUESTIONS 1-6 IN A SEPARATE BOOK. ANSWER QUESTIONS 7-10 IN A SEPARATE BOOK. ANSWER QUESTION 11 IN A SEPARATE BOOK. ANSWER QUESTION 12 IN A SEPARATB BOOK. THIS PAPER MAYBE RETAINED BY THE CANDIDATB. ALL ANSWERS MUST BE WRITTEN IN INK. EXCEPT WHERE THEY ARE EXPRESSLY REQUIRED, PENCILS MAYBE USED ONLY FOR DRAWING, SKETCHING AND GRAPHICAL WORK. 1
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Question 1 (a) Briefly describe three ways to detect systematic error in an analysis. (b) Explain how Solid-Phase Extraction (SPE) works in sample preparation. Question 2 (a) Briefly describe the relationship between absorbance and transmittance. Identify three factors that cause the Beer's law relationship to fail. (b) Briefly describe three types of instrumental error which are sources of uncertainty in transmittance measurement. Question 3 (a) Band broadening is a common phenomenon in chromatography. Outline three factors that may lead to band broadening, using the Van Deemter equation. (b) On a 25 cm column, compounds A and B are eluted at 15.20 and 16.73 min, respectively. The unretained peak eluted at 1.23 min. The peak
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 04/20/2010 for the course CEIC 2003 taught by Professor Alice during the Three '10 term at University of New South Wales.

Page1 / 5

indc2007 - T IlE UNIVERSITY OF NEW SOUTH WALES NOVEMBER,...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online