DE
Frequently asked questions
Common questions about DE from 3G Electric.
What is D/E Neutralizing Broth used for in industrial microbiology?
D/E Neutralizing Broth is used to recover microorganisms from surfaces or samples that have been treated with disinfectants. The broth contains neutralizers that inactivate residual disinfectants, allowing stressed or injured microbes to grow. This is critical for validating cleaning protocols in pharmaceutical cleanrooms, food processing plants, and healthcare facilities.
What are the available sizes for D/E Neutralizing Broth liquid media from 3G Electric?
Liquid D/E Neutralizing Broth is available in pre-filled tubes or bottles in sizes of 5 mL, 9 mL, 10 mL, 90 mL, and 100 mL. These are ready-to-use and have a shelf life of 180 days. The smaller volumes are typically used for swab or rinse sampling, while larger volumes are used for bulk sample testing.
How do I prepare D/E Neutralizing Broth powder media?
Powder D/E Neutralizing Broth requires rehydration with purified water and sterilization by autoclaving. For example, the 500 g bottle reconstitutes to 500 mL, and the 10 kg package reconstitutes to 10 L. Follow the manufacturer's instructions for hydration ratios and sterilization parameters to ensure proper performance.
What is the shelf life of D/E Neutralizing Broth products?
Liquid D/E Neutralizing Broth has a shelf life of 180 days from the date of manufacture. Powder D/E Neutralizing Broth has a shelf life of 2 years when stored in a cool, dry place. Always check the expiration date on the label and store according to recommendations to maintain efficacy.
Can D/E Neutralizing Broth be used for environmental monitoring in pharmaceutical facilities?
Yes, D/E Neutralizing Broth is commonly used for environmental monitoring in pharmaceutical cleanrooms and controlled environments. It is effective for recovering bacteria and fungi from surfaces after disinfection, helping to verify that cleaning procedures are adequate. The medium is referenced in USP <61> and <62> for microbial enumeration.
Does 3G Electric supply DE products?
Yes — 3G Electric (S) Pte. Ltd. supplies DE products. We stock the DE catalog and supply genuine factory-original products with full manufacturer warranty and technical support.







