Merck 115338 0500 Plate Count Skim Milk Agar For Microbiology 500 GR.

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Description
Catalogue Number	115338
Overview	GranuCult™ 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.

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Product Information
HS Code	3821 00 00
Quality Level	MQ200

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Safety Information according to GHS
Storage class	10 - 13 Other liquids and solids
WGK	WGK 3 highly 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 to opalescent
Appearance (color)	yellowish to yellowish-brown
pH-value (25 °C)	6.8 - 7.2
Solidification behaviour (2 hrs., 40 °C)	liquid
Solidification behaviour (4 hrs., 45 °C)	liquid
Growth promotion test in accordance with the current version of DIN EN ISO 11133.
Inoculum on reference medium (Staphylococcus aureus ATCC 6538 (WDCM 00032))
Inoculum on reference medium (Staphylococcus aureus ATCC 25923 (WDCM 00034))
Inoculum on reference medium (Escherichia coli ATCC 8739 (WDCM 00012))
Inoculum on reference medium (Escherichia coli ATCC 25922 (WDCM 00013))
Inoculum on reference medium (Bacillus subtilis ATCC 6633 (WDCM 00003))
Colony count (Staphylococcus aureus ATCC 6538 (WDCM 00032))
Colony count (Staphylococcus aureus ATCC 25923 (WDCM 00034))
Colony count (Escherichia coli ATCC 8739 (WDCM 00012))
Colony count (Escherichia coli ATCC 25922 (WDCM 00013))
Colony count (Bacillus subtilis ATCC 6633 (WDCM 00003))
Recovery on test medium (Staphylococcus aureus ATCC 6538 (WDCM 00032))	≥ 70 %
Recovery (Staphylococcus aureus ATCC 25923 (WDCM00034))	≥ 70 %
Recovery on test medium (Escherichia coli ATCC 8739 (WDCM 00012))	≥ 70 %
Recovery on test medium (Escherichia coli ATCC 25922 (WDCM 00013))	≥ 70 %
Recovery on test medium (Bacillus subtilis ATCC 6633 (WDCM 00003))	≥ 70 %
Incubation: 72 ± 3 hours at 30 ± 1 °C aerobic.\nA recovery rate of 70 % is equivalent to a productivity value of 0.7.\nThe indicated colony counts result from the sum of a triple determination.\nReference media: Tryptic Soy Agar