Preliminary operations
9
DIN ISO 5884 - Fluid systems and components - Methods for system sampling
and measuring the solid particle contamination of hydraulic fluids
US FED STD 209E Cleanroom Standards - Class 100,000 minimum
ISO 14644-1 Cleanroom Standards - ISO 8 minimum
How to clean and re-use your own bottles
For definitive guidance on the cleaning and verification of glassware refer to
ISO3722 and ISO5884.
Below are some steps based on the above standards. For use with Hydrocar-
bon/Synthetic/Ester Fluid sampling
1. Fill the container with 50ml acetone, replace the cap, shake vigorously and
drain to a waste container.
2. Fill to 50% of the container volume with 0.4μm filtered Iso-propyl alcohol.
Replace cap, shake vigorously and drain to a waste container.
3. Fill to 50% of the container volume with 0.4μm filtered Petroleum Ether. Re-
place cap, shake vigorously and drain to a waste container.
4. Loosely replace the cap and do not remove until you are ready to take your
next sample. (
This allows any trace amounts of Petroleum Ether to evaporate
from the bottle, and reduces the risk of any air-borne particles entering the
container.)
5. Once complete, the fluid sample should be disposed of correctly and respon-
sibly in line with local and international regulations.
For use with Water Based/Off-shore Fluid sampling
1. Fill the container with 50ml Iso-propyl alcohol, replace the cap, shake vigor-
ously and drain to a waste container.
2. Fill to 50% of the container volume with 0.4μm filtered De-ionised water.
Replace cap, shake vigorously and drain to a waste container.
