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VRB Agar para Microbiologia

Número de catálogo: 1014060500

Descrição
Número de catálogo1014060500
Replaces1014065007
SinônimosCrystal-violet neutral red bile agar, VRB-agar (Crystal-violet neutral-red bile agar)
Panorama geralGranuCult™ is our new brand name for our existing granulated dehydrated culture media which apply to new EN ISO 11133:2014 and various other ISO standards and FDA-BAM / USDA-FSIS methods for testing of food and water samples. All these media are currently being updated to be fully compliant to the latest version of these standards and regulations with respect to composition and quality control and will be available shortly.

Informações sobre o produto
Código HS3821 00 00
Quality LevelMQ200

Informações fisico-químicas
Valor do pH7.3 – 7.5 (40 g/l, H₂O, 37 °C) (depois da autoclavagem)
Densidade a granel670 kg/m3
Solubilidade39.5 g/l

Informação de segurança de acordo com o GHS
Classe de armazenagem10 – 13 Outros liquídos e sólidos
WGKWGK 3 forte contaminante da água
Descarte3
Os reagentes organicos líquidos relativamente não reactivos são compilados na Categoria A. Se contiverem halógeneo, devem ser colocados na Categoria B. Para resíduos sólidos: Categoria C.

Informações sobre armazenagem e transporte
ArmazenagemArmazenar entre +15°C a +25°C.

Especificações
Appearance (clearness)clear
Appearance (color)red
pH-value (25 °C)7.2 – 7.6
Solidification behaviour (2 hrs., 45 °C)liquid
Growth promotion test in accordance with the current version of DIN EN ISO 11133.
Inoculum on reference medium (Escherichia coli ATCC 8739 (WDCM 00012)) 
Colony count (Escherichia coli ATCC 8739 (WDCM 00012)) 
Recovery on test medium (Escherichia coli ATCC 8739 (WDCM 00012))≥ 50 %
Colony color (Escherichia coli ATCC 8739 (WDCM 00012))purplish-red colonies with or without precipitate halo
Inoculum on reference medium (Escherichia coli ATCC 25922 (WDCM 00013)) 
Colony count (Escherichia coli ATCC 25922 (WDCM 00013)) 
Recovery on test medium (Escherichia coli ATCC 25922 (WDCM 00013))≥ 50 %
Colony color (Escherichia coli ATCC 25922 (WDCM 00013))purplish-red colonies with or without precipitate halo
Inoculum on reference medium (Enterobacter cloacae ATCC 13047 (WDCM 00083)) 
Colony count (Enterobacter cloacae ATCC 13047 (WDCM 00083)) 
Recovery on test medium (Enterobacter cloacae ATCC 13047 (WDCM 00083))≥ 50 %
Colony color (Enterobacter cloacae ATCC 13047 (WDCM 00083))purplish-red colonies with or without precipitate halo
Growth (Pseudomonas aeruginosa ATCC 27853 (WDCM 00025))no limit
Colony color (Pseudomonas aeruginosa ATCC 27853 (WDCM 00025))colourless to beige colonies
Growth (Enterococcus faecalis ATCC 19433 (WDCM 00009))total inhibition
Growth (Enterococcus faecalis ATCC 29212 (WDCM 00087))total inhibition
Incubation: 24 ± 2 hours at 30 ± 1 °C
Reference media: Tryptic Soy Agar
A recovery rate of 50 % is equivalent to a productivity value of 0.5.
The indicated colony counts result from the sum of a triple determination.