Merck 109878 0500 Msrv Medium (Base) Modified For Microbiology 500 GR.

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Description
Catalogue Number	109878

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Product Information
HS Code	3821 00 00
Quality Level	MQ200

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Physicochemical Information
pH value	5.1 - 5.4 (31.8 g/l, H₂O, 25 °C)
Solubility	31.6 g/l

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Safety Information according to GHS
Storage class	10 - 13 Other liquids and solids
WGK	WGK 1 slightly hazardous to water
Disposal	3\nRelatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.

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Storage and Shipping Information
Storage	Store at +15°C to +25°C.

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Specifications
Appearance (clearness)	clear
Appearance (color)	blue
pH-value (25 °C)	5.1 - 5.4
Growth promotion test in accordance with the current version of DIN EN ISO 11133.
Growth (Salmonella typhimurium ATCC 14028 (WDCM 00031))	Grey-white, turbid zone extending out from inoculated drop. After 24–48 h, the turbid zone will be (almost) fully migrated over the plate.
Growth (Salmonella enteritidis ATCC 13076 (WDCM 00030))	Grey-white, turbid zone extending out from inoculated drop. After 24–48 h, the turbid zone will be (almost) fully migrated over the plate.
Growth (Escherichia coli ATCC 8739 (WDCM 00012))	Possible growth at the place of the inoculated drop without a turbid zone.
Growth (Escherichia coli ATCC 25922 (WDCM 00013))	Possible growth at the place of the inoculated drop without a turbid zone.
Growth (Citrobacter freundii ATCC 8090)	no growth or possible growth at the place of the inoculated drop without a turbid zone.
Growth (Enterococcus faecalis ATCC 19433 (WDCM 00009))	no growth
Growth (Enterococcus faecalis ATCC 29212 (WDCM 00087))	no growth
Incubation:\n2 x 24 ± 3 hours at 41,5 ± 1 °C aerobic.