EC
Frequently asked questions
Common questions about EC from 3G Electric.
What is the typical shelf life of EC Medium from the EC brand?
EC Medium from the EC brand has a shelf life that varies by product form. Liquid formulations, such as the 10 mL ampoules, typically have a 180-day shelf life from the date of manufacture. Powder forms, including those in 500 mL bottles or 10 L containers, generally have a 2-year shelf life when stored under recommended conditions. Always verify the expiration date on the product label for the specific SKU.
What are the available sizes for EC Medium supplied by 3G Electric?
3G Electric stocks EC Medium in multiple sizes to accommodate different laboratory needs. Available sizes include 10 mL ampoules for single-use applications, 500 mL bottles for smaller batch testing, and 10 L powder containers for bulk preparation. Each size is offered in either liquid or powder form, with corresponding part numbers such as 16GL-7032-10 for the 10 mL liquid and 7206-500g for the 500 mL powder.
Is EC Medium from the EC brand suitable for MPN testing methods?
Yes, EC Medium is specifically formulated for use in most probable number (MPN) methods for the detection of coliform bacteria and Escherichia coli. The medium provides the necessary nutrients and selective agents to support the growth of target organisms while inhibiting non-target bacteria. It is commonly used in water quality testing and food microbiology applications where MPN enumeration is required.
What is the difference between the liquid and powder forms of EC Medium?
The liquid form of EC Medium is ready-to-use and supplied in sealed ampoules or bottles, requiring no preparation before testing. It has a shorter shelf life of 180 days. The powder form requires reconstitution with distilled water and sterilization before use, but offers a longer shelf life of 2 years and is more economical for high-volume testing. Both forms are designed to produce equivalent performance in microbiological assays.
How should EC Medium be stored to maintain its effectiveness?
EC Medium should be stored according to the manufacturer's instructions, typically in a cool, dry place away from direct sunlight. Liquid forms should be kept at room temperature or as specified on the label, while powder forms require a dry environment to prevent clumping. Avoid exposure to extreme temperatures or moisture, as this can degrade the medium's performance. Always check the product label for specific storage conditions.
Does 3G Electric supply EC products?
Yes — 3G Electric (S) Pte. Ltd. supplies EC products. We stock the EC catalog and supply genuine factory-original products with full manufacturer warranty and technical support.




