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Wednesday, February 27, 2013

Determination Of Caffeine In Tea By Hplc

QUANTIFICATION OF CAFFEINE IN TEA BY HPLC

Learning Outcomes

On completing this look into you should be able to:

* Prepargon a series a series of calibration standards.
* Extract an analyte from a sample matrix.
* Quantify the concentration of the analyte.
* Estimate the uncertainty of your analysis.
* severalize the operating procedures for batch samples on a HPLC instrument.

Important Information

* This test carries 6.25 % of your label for the faculty.
* The experiment willing be performed with a associate but you should submit separate and individually written insures.
* The deadline for introduction is 23:59 hrs on the Tuesday after your experiment. No marks will be given for late submission.
* All submissions will be checked for plagiarism and copying.

Uploading Your Reports

* Meet the deadline.
* Your report must be submitted as a Microsoft Word document (.doc or .docx) or as a .pdf saddle
* It is recommended that you adopt the following file name convention:
caffein in Tea report < First name Family name> <Student No.>.doc/.docx/.pdf
e.g. Caffeine in Tea report Richard Ellis A9500111.

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* Upload your report to the 10CMB015 module page on Learn

Safety Information

The samples and solvents used in this experiment pose little hazard provided that routine laboratory precautions are taken to avoid ingestion or skin contact.

keeping is required when handling the warm water for the extraction. Minimise the space of the time the samples are carried and held. If the warm water does come in contact with the skin, rinse with cold water and seek rootage aid attention.

Seek guidance from a technician or sales demonstrator before using the HPLC instrument. Note the detector contains a UV source which should not be viewed directly.

Preparation

Organise yourselves to work wellspring as a team, this should be discussed at a pre-experiment meeting. wholeness of you should be extracting the caffeine...If you want to get a full essay, crop it on our website: Ordercustompaper.com



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