Batch Record

Subject: Preparing Stock Dyes for Making Sample Dyes for DME Electrophoresis

DATE: 15 November 2006

Reference: SOP DME4

Batch Record #: _________

Prepared By: ___________________________________

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Stock Dye

Strength/Concentration___________________ Date_____________________

Company: __________________ Lot#_____________ Cat#_______________

Date Initial

1. Weigh out 0.2g of dye powder ______ ______

2. Add 10mL of distilled water ______ ______

3. Shake well to dissolve ______ ______

Sample dyes: Methyl Orange, Bromophenol Blue, Xylene Cyanol, Safranin, Pyronin