HP 241 service manual

HP 241 Protein
Sequencer (N+C)

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 trifluo­roacetic 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 poten­tial hazard of accidental contact
with TFA. This problem is circum­vented by the use of the HP G1000­20155 TFA bottle cap remover, a
tool designed for safe removal of
caps from TFA bottles.

Procedure

Use the following procedure when­ever 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.

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 inciden­tal or consequential damages in con­nection with the furnishing, perfor­mance or use of this material.

Information, descriptions and specifi­cations 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

H