HP 241 Protein Sequencer (N+C) service manual(3)
Contents
1. TFA Bottle Cap Remover Technical Note Both the HP 241 Protein Sequencing System and the HP G1004B Protein Chemistry Station require the use of the highly corrosive acid trifluo roacetic acid TFA The reagent bottles containing this acid must be fitted with a special TFA bottle cap and gasket when used in the above instruments The removal of both the original bottle cap prior to installation in the instrument and the TFA bottle cap when changing a bottle afford the poten tial hazard of accidental contact with TFA This problem is circum vented by the use of the HP G1000 20155 TFA bottle cap remover a tool designed for safe removal of caps from TFA bottles Procedure Use the following procedure when ever you are removing an original cap or a TFA bottle cap from a TFA reagent bottle 1 Wear safety glasses and gloves 2 Place the TFA bottle on a flat level surface and hold it firmly with one hand 3 Place the TFA bottle cap remover over the top of the cap 4 Rotate the tool counterclock wise until the cap is free of the bottle top HEWLETT PACKARD G HP 241 Protein Sequencer N C Do not use the TFA bottle cap remover to install the TFA bottle cap prior to placing the reagent bottle in the sequencer This could lead to excessive tightening of the cap and subsequent difficulty in removing it Hewlett Packard shall not be liable for errors contained herein or for inciden tal or conseq2. uential damages in con nection with the furnishing perfor mance or use of this material Information descriptions and specifi cations in this publication are subject to change without notice Copyright 1997 Hewlett Packard Company All rights reserved Reproduction and adaptation is prohibited Printed in the U S A November 1997 5966 2768E
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HP 241 Protein Sequencer (N C) service manual(3)