skip to main content


Sterility is a condition in which there are no living microorganisms. In some sectors, such as the food, pharmaceutical and biotech industries, it may be essential to obtain sterile samples to ensure the quality and safety of the product and to  avoid cross-contamination.

In order to achieve sterility in bulk material sampling, several steps are required:

  1. Equipment preparation: All equipment that could come into contact with the sample should be sterilized. This can be achieved by autoclaving, gas sterilization, or other appropriate methods.
  2. Aseptic technique: The people taking the sample should use aseptic techniques to avoid introducing contaminants into the sample. This may include wearing sterile personal protective equipment, avoiding direct contact with the sample, and working in a controlled environment, such as a laminar airflow cabinet.
  3. Use of sterile sample containers: Samples should be collected and stored in sterile containers to avoid contamination after sampling.
  4. Control of the environment:  In some cases, it may also be necessary to control the environment to avoid contamination of the sample. This may include, for example, cleaning and sterilizing the environment or working in a specially designed sterile chamber.

It is important to note that sterility requirements may vary depending on the industry, type of bulk material, and specific applications. It is therefore important to follow the relevant standards and best practices for the situation at hand.