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154 1100 Series Capillary LC System Manual

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Special Information for Maintenance

The supplied parts with the flow cell allow different fittings and capillaries,

see Figure 44. Before fitting it to the flow cell, think about which type you

want to use. Depending on this you may have to use special parts mentioned in

the procedure.

The capillary may be reused by carefully removing of the ferrules using a pair

of side-cutters or the original Upchurch tool, see Figure 45.

Figure 44 Types of fittings and capillaries

connection to flow cell body

1 supplied thin capillary and

tubing sleeve with supplied

Litetouch ferrule

2 optional PEEK capillary with

supplied Litetouch ferrule

CAUTION

The supplied PEEK capillaries for this flow cell have special surface treatment at both ends.

DO NOT shorten the capillaries. This may cause leakage or damage.

Bending radius smaller than 10 mm may break the quartz capillary inside the PEEK

jacket. In this case high pressure may burst the PEEK jacket.

CAUTION

Always wear eye protection when working close to polymer tubing that is under

pressure.

Do not use PEEK tubing with tetrahydrofuran (THF) or concentrated nitric acid (except

for short flushing procedures) and sulfuric acid.

Methylene chloride and dimethyl sulfoxide cause PEEK to swell.

During assembling take care for cleanliness.

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Agilent Technologies 1100 Series Bedienerhandbuch Seite 164