Filling the syringe and de-gassing the buffer oil

It is important to remove all gases from the system as they can form bubbles and cause anomalies in the data. Refill the system with de-gassed oil any time when cleaning it, or if it has had an oil leak for any reason.

Required materials

  • Buffer fluid

  • Syringe with a stopper and needle

  • Syringe kickstand

Recommended handling materials

  • Latex or nitrile gloves

  • Lint-free tissues

  • Protective coat

Buffer oil is not a hazardous substance, but it is recommended to practice good industrial hygiene and safety practices, and to use this material in a well-ventilated space.

Filling the syringe

Step Description

1

Remove the stopper from the syringe.

2

Install the needle.

3

Draw 1-2ml of the oil into the syringe.

De-gassing the buffer oil

Step Description Image

1

Invert the syringe so that the needle is facing up and pull any remaining oil out of the needle into the syringe.

syringe with kickstand

2

Remove the needle.

3

Gently push the plunger to purge the air from the syringe.

4

Install the stopper.

5

Reverse the syringe so that the stopper is facing down.

6

Draw out the plunger of the syringe past the 10ml point.

7

Install the syringe kickstand so that it cups the plunger and supports it in the drawn-out position. The syringe will brace against the flange on the plunger and the barrel.

8

Leave the syringe in the reverse position for about an hour.

9

Remove the kickstand.

10

Invert the syringe so that the tip is facing up.

11

Remove the stopper.

12

Purge any air from the syringe