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Contact: elexbio
Company: Elex Biological Products (Shanghai) Co., Ltd.
Room E121, No. 2800, Wanyuan Road, Minhang District, Shanghai City, P.R. China
Shanghai 201100
Phone: 13858086475
E-Mail: Send Inquiry
Date/Time:  10/30/20 1:34 GMT

Contact Agar Medium 4x4

Performance Characteristics of Contact Agar Based Medium 4x4
1. It is widely used in environmental sanitation, apparatus, sedimentation
bacteria, and hand colony inspection.
2. It can be used directly after opening, no need to prepare a medium which
saves much time.
3. The medium area is 10 cm². It's divided into 10 small cells which are easy
to count.
Microbiology Agar Medium Types
AC • Standard Plate Counting Agar Based Medium
Used for the identification of the total bacteria number.
EC • Three-color Agar Based Medium
Escherichia coli and coliforms can be simultaneously detected.
E.coli colonies are blue to light purple.
Coliform colonies are red to purple.
Other intestinal bacterial colonies were milky white.
SA • Staphylococcus Aureus Agar Based Medium
Staphylococcus aureus forms black colonies on the surface of the culture
medium, and due to protein breakdown, a transparent hemolysis ring or turbid
zone is formed around the Staphylococcus aureus colonies.
PD • Yeast, Mold Agar Based Medium
Used for the identification of yeast and mold.
Usage Method of Contact Agar Medium 4x4
1. Remove the medium from the bag.
2. Open the lid and press the petri dish directly onto the sample to be
3. Cover the lid, mark it in the blank column of the container, and culture it
in the incubator.
4. Colonies were counted after culture. Medium area: 10cm².
Product Details of Contact Agar Medium 4x4
Name Characteristics Package Culture time Validity Time
Agar Stamp  AC Total Bacteria Count Agar 10cm² 10pcs/bag; 100pcs/box 48±2
hours 6 months
Agar Stamp  EC Coliform group&E.coli Count Agar 10cm² 24 hours
Agar Stamp  SA Staphylococcus aureus Count Agar 10cm² 24~48 hours
Agar Stamp  PD Yeast&Mold Count Agar 10cm² 5 days
Note: 1. The product should be protected from light and stored at room
2. It should be used as soon as possible after unpacking.
3. When there are water droplets in the container, please gently remove the
water droplets and use.

ELEX Biological Products (Shanghai) Co., Ltd., established in 2013, is a colony
counter manufacturer, which specializes in sales, research and development of
microbiological test products for food hygiene testing and environment testing,
simultaneously act as an agency of microbial testing equipment from ELMEX
Corporation of Japan. The factory has passed ISO9001:2015, and the products
have passed the strict assessment of the quality management of the Japanese
food industry and are favored by the industry. Its top popular product---ST
swab sampler series account for 70% of the market rate in Japan.

Minimum Order: 100000 pieces

Contact Agar Medium 4x4
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SOURCE: Import-Export Bulletin Board (
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