[Skip to Content](https://www.sigmaaldrich.com#main-content) [](https://www.sigmaaldrich.com/HK/en) Products Cart0 HKEN Products ProductsApplicationsServicesResourcesSupport [Login / Register](https://www.sigmaaldrich.com/oidc-sign-in) [Home](https://www.sigmaaldrich.com/HK/en)[Applications](https://www.sigmaaldrich.com/HK/en/applications)Microbiological Testing # Microbiological Testing Microbiological testing is used in pharmaceutical, cosmetic, municipal water, and food and beverage industries to provide safe products for consumption. From bioburden testing to mycoplasma detection, pathogen and spoilage testing, pyrogen testing, sterility testing, air monitoring, and surface testing, a variety of techniques are routinely employed to ensure safety and regulatory compliance.  [](https://www.sigmaaldrich.com/HK/en/applications/microbiological-testing/bioburden-testing) [Bioburden Testing](https://www.sigmaaldrich.com/HK/en/applications/microbiological-testing/bioburden-testing) [](https://www.sigmaaldrich.com/HK/en/campaigns/bioreliance-biosafety-testing-and-product-characterization) [Biosafety Testing](https://www.sigmaaldrich.com/HK/en/campaigns/bioreliance-biosafety-testing-and-product-characterization) [](https://www.sigmaaldrich.com/HK/en/applications/microbiological-testing/media-fills) [Media Fills](https://www.sigmaaldrich.com/HK/en/applications/microbiological-testing/media-fills) [](https://www.sigmaaldrich.com/HK/en/applications/microbiological-testing/microbial-culture-media-preparation) [Microbial Culture Media Preparation](https://www.sigmaaldrich.com/HK/en/applications/microbiological-testing/microbial-culture-media-preparation) [](https://www.sigmaaldrich.com/HK/en/applications/microbiological-testing/mycoplasma-testing) [Mycoplasma Testing](https://www.sigmaaldrich.com/HK/en/applications/microbiological-testing/mycoplasma-testing) [](https://www.sigmaaldrich.com/HK/en/applications/microbiological-testing/pathogen-and-spoilage-testing) [Pathogen & Spoilage Testing](https://www.sigmaaldrich.com/HK/en/applications/microbiological-testing/pathogen-and-spoilage-testing) [](https://www.sigmaaldrich.com/HK/en/applications/microbiological-testing/pyrogen-testing) [Pyrogen Testing](https://www.sigmaaldrich.com/HK/en/applications/microbiological-testing/pyrogen-testing) [](https://www.sigmaaldrich.com/HK/en/applications/microbiological-testing/sterility-testing) [Sterility Testing](https://www.sigmaaldrich.com/HK/en/applications/microbiological-testing/sterility-testing) [](https://www.sigmaaldrich.com/HK/en/applications/microbiological-testing/surface-and-personnel-testing) [Surface & Personnel Testing](https://www.sigmaaldrich.com/HK/en/applications/microbiological-testing/surface-and-personnel-testing) [](https://www.sigmaaldrich.com/HK/en/applications/microbiological-testing/viable-air-monitoring) [Viable Air Monitoring](https://www.sigmaaldrich.com/HK/en/applications/microbiological-testing/viable-air-monitoring) Top __Sign In To Continue__ To continue reading please sign in or create an account. Sign In__Don't Have An Account?__Register Support[Customer Support](https://www.sigmaaldrich.com/HK/en/support/customer-support)[Contact Us](https://www.sigmaaldrich.com/HK/en/collections/offices)[FAQ](https://maestro.my.site.com/knowledgeportal/s/)[Safety Data Sheets (SDS)](https://www.sigmaaldrich.com/HK/en/documents-search?tab=sds)[Certificates (COA/COO)](https://www.sigmaaldrich.com/HK/en/documents-search?tab=coa)[Quality & Regulatory](https://www.sigmaaldrich.com/HK/en/life-science/quality-and-regulatory-management)[Calculators & Apps](https://www.sigmaaldrich.com/HK/en/support/calculators-and-apps)[Webinars](https://www.sigmaaldrich.com/HK/en/collections/webinars) Orders[Custom Products](https://www.sigmaaldrich.com/HK/en/services/custom-products)[eCommerce Solutions](https://www.sigmaaldrich.com/HK/en/life-science/ecommerce/ecommerce-solutions) Company[About Us](https://www.sigmaaldrich.com/HK/en/life-science/about-us)[Responsibility](https://www.sigmaaldrich.com/HK/en/life-science/ssbi)[Events](https://www.sigmaaldrich.com/HK/en/collections/events)[Press Releases](https://www.sigmaaldrich.com/HK/en/collections/press)[Programs](https://www.sigmaaldrich.com/HK/en/life-science/partnership-programs)[Careers](https://careers.merckgroup.com/global/en)[Offices](https://www.sigmaaldrich.com/HK/en/collections/offices) Social Media [](https://www.linkedin.com/company/merck-life-science) [](https://x.com/Merck_lifesci) [](https://www.facebook.com/Merck.lifescience) [](https://www.instagram.com/mercklifescience/) [](https://www.youtube.com/@MerckLifeScience/featured) Merck __Research. Development. Production.__ We are a leading supplier to the global Life Science industry with solutions and services for research, biotechnology development and production, and pharmaceutical drug therapy development and production. [](https://www.sigmaaldrich.com/HK/en) [Sigma-Aldrich® Solutions](https://www.sigmaaldrich.com/HK/en/life-science/sigma-aldrich)[BioReliance® Solutions](https://www.sigmaaldrich.com/HK/en/life-science/bioreliance)[Millipore® Solutions](https://www.sigmaaldrich.com/HK/en/life-science/millipore)[SAFC® Solutions](https://www.sigmaaldrich.com/HK/en/life-science/safc)[Milli-Q® Solutions](https://www.sigmaaldrich.com/HK/en/life-science/milliq)[Supelco® Solutions](https://www.sigmaaldrich.com/HK/en/life-science/supelco) © 2026 Merck KGaA, Darmstadt, Germany and/or its affiliates. All Rights Reserved, including Text and Data Mining for AI training and similar technologies. Reproduction of any materials from the site is strictly forbidden without permission. [Site Use Terms](https://www.sigmaaldrich.com/HK/en/life-science/legal/site-use-terms)|[Privacy Policy](https://www.sigmaaldrich.com/HK/en/life-science/legal/privacy-statement)|[General Terms and Conditions of Sale](https://www.sigmaaldrich.com/HK/en/life-science/legal/terms-and-conditions)|[Copyright Consent](https://www.sigmaaldrich.com/HK/en/life-science/legal/copyright-consent) |[Site Map](https://www.sigmaaldrich.com/HK/en/site-map)