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Agency
ISO 9308
Quality Level
무균
sterile
양식
plate
특징
ready-to-use
포장
box of 20 plates
box of 200 plates
제조업체/상표
ReadyPlate™
플레이트 직경
55 mm
응용 분야
bioburden testing
filtration
food and beverages
microbiology
저장 온도
15-25°C
적합성
Escherichia coli
coliforms
일반 설명
ReadyPlate™ 55 agar plates are stackable specially designed plates that helps increase the safety during handling, transport, incubation and comes in a lockable format. ReadyPlate™ 55 agar plates come with a diameter of 55 mm and the medium is filled perfectly on the top which allows easy handling (laying of the membrane) on the agar and prevents formation of air bubbles. Chromocult® Coliform Agar (CCA) is a selective and differential chromogenic culture medium used for the microbiological analysis of water samples. Within 24 hours this medium enables the simultaneous detection, differentiation and enumeration of E. coli and coliform bacteria in drinking water.
애플리케이션
Chromocult® Coliform Agar is used for the simultaneous detection of Escherichia coli and coliform bacteria in drinking water, disinfected pool water and finished water from treatment plants by membrane filtration method.
분석 메모
The interaction of selected peptones, pyruvate, sorbitol and phosphate buffer promotes rapid colony growth, even for sub-lethally injured coliform bacteria. The growth of Gram-positive bacteria as well as certain Gram-negative bacteria is inhibited by the presence of Tergitol™ 7 which has no negative effect on the growth of coliform bacteria. Further, the combination of two chromogenic substrates permits the simultaneous detection of coliform bacteria and E. coli.
Coliform bacteria detection: The substrate Salmon-GAL is used for the detection of β-D-galactosidase activity, which is characteristic for coliform bacteria. This interaction results in a pink to red color of the coliform colonies.
E. coli detection: The substrate X-glucuronide is used for the detection of β-D-glucuronidase activity. E. coli cleaves both Salmon-GAL and X-glucuronide, so that positive colonies take on a dark-blue to violet color. These are easily distinguished from other coliform colonies, which have a pink to red color. Some E. coli (3-4%) are ß-D-glucuronidase-negative and appear as pink to red colonies.
Accompanying flora appears as colorless colonies, except for some organisms, which possess β-D glucuronidase activity. These colonies appear light blue to turquoise in color.
Coliform bacteria detection: The substrate Salmon-GAL is used for the detection of β-D-galactosidase activity, which is characteristic for coliform bacteria. This interaction results in a pink to red color of the coliform colonies.
E. coli detection: The substrate X-glucuronide is used for the detection of β-D-glucuronidase activity. E. coli cleaves both Salmon-GAL and X-glucuronide, so that positive colonies take on a dark-blue to violet color. These are easily distinguished from other coliform colonies, which have a pink to red color. Some E. coli (3-4%) are ß-D-glucuronidase-negative and appear as pink to red colonies.
Accompanying flora appears as colorless colonies, except for some organisms, which possess β-D glucuronidase activity. These colonies appear light blue to turquoise in color.
법적 정보
CHROMOCULT is a registered trademark of Merck KGaA, Darmstadt, Germany
READYPLATE is a trademark of Merck KGaA, Darmstadt, Germany
TERGITOL is a trademark of The Dow Chemical Company ("Dow") or an affiliated company of Dow
Storage Class Code
13 - Non Combustible Solids
WGK
WGK 2
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
시험 성적서(COA)
제품의 로트/배치 번호를 입력하여 시험 성적서(COA)을 검색하십시오. 로트 및 배치 번호는 제품 라벨에 있는 ‘로트’ 또는 ‘배치’라는 용어 뒤에서 찾을 수 있습니다.
활성 필터
자사의 과학자팀은 생명 과학, 재료 과학, 화학 합성, 크로마토그래피, 분석 및 기타 많은 영역을 포함한 모든 과학 분야에 경험이 있습니다..
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