contamination-free

The Federation has not classed this as a contamination-free developing culture.

Keeping the kombucha brew safe and contamination-free is a concern to many home brewers.

The descent into the caves of Nibelheim ends in a contamination-free microchip factory.

High-precision, contamination-free sampling (poisons, infections, tissue, etc.) accurate to the millimeter.

A blast from a compressed air canister or a jet of petroleum ether across the surface helps to give a contamination-free surface before samples are irradiated.

Your CDs have been gently taken from our CD Baby shelves with sterilized contamination-free gloves and placed onto a satin pillow.

Brian and Diana emerged from their respective showers into the air-lock chamber, a room that kept the atmosphere of the lab separated from the outside and contamination-free.

The USP and NSF are nonprofit groups that verify whether companies offer contamination-free products and use good manufacturing practices.

Image- and robot-guided, contamination-free sampling for a wide range of supplementary forensic analyses, such as histology, bacteriology, virology, toxicology and diatomology.

If an office environment is flooded with non-salinated and contamination-free water (e.g., in the event of a pipe burst), equipment can be thoroughly dried and may still be functional.

This repeated contact of sharp bristle tips with the target surface results in localized impact, rebound, and the formation of craters, thereby simultaneously cleaning and coarsening the surface, while exposing a contamination-free base metal.

She is suddenly struck by joint pain, recognizes that she has the onset of the rapid aging syndrome and orders Data to pilot the shuttle to the Darwin research station rather than the Enterprise, which is still contamination-free.

Because the target asteroid is potentially carbon-rich, great care will be taken to ensure a contamination-free environment, part of which means monitoring all materials that go into the design and construction of the touch-and-go sample acquisition mechanism (TAGSAM) and the sample return capsule (SRC).