MERCK 105398.0500 Malt Extract Agar For Microbiology

Key Spec Table

ph Value	Solubility
5.6 (48 g/l, H₂O, 22 °C) (after autoclaving)	48 g/l

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Description
Catalogue Number	105398

Product Information
HS Code	3821 00 00
Quality Level	MQ200

Physicochemical Information
pH value	5.6 (48 g/l, H₂O, 22 °C) (after autoclaving)
Bulk density	590 kg/m3
Solubility	48 g/l

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

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

Specifications
Appearance (clearness)	clear to slightly opalescent
Appearance (color)	brown
pH-value (25 °C)	5.4 - 5.8
Growth promotion test in accordance with the current version of DIN EN ISO 11133.
Inoculum on reference medium (Candida albicans ATCC 10231 (WDCM 00054))
Inoculum on reference medium (Saccharomyces cerevisiae ATCC 9763 (WDCM 00058))
Inoculum on reference medium (Saccharomyces cerevisiae ATCC 9080)
Inoculum on reference medium (Rhodotorula mucilaginosa DSM 70403)
Colony count (Candida albicans ATCC 10231 (WDCM 00054))
Colony count (Saccharomyces cerevisiae ATCC 9763 (WDCM 00058))
Colony count (Saccharomyces cerevisiae ATCC 9080)
Colony count (Rhodotorula mucilaginosa DSM 70403)
Recovery on test medium (Candida albicans ATCC 10231 (WDCM 00054))	≥ 70 %
Recovery on test medium (Saccharomyces cerevisiae ATCC 9763 (WDCM 00058))	≥ 70 %
Recovery on test medium (Saccharomyces cerevisiae ATCC 9080)	≥ 70 %
Recovery on test medium (Rhodotorula mucilaginosa DSM 70403)	≥ 70 %
Growth (Geotrichum candidum DSM 1240)	good to very good
Growth (Penicillium commune ATCC 10428)	good to very good
Growth (Aspergillus brasiliensis (formerly A. niger) ATCC 16404 (WDCM 00053))	good to very good
Growth (Trichophyton ajelloi ATCC 28454)	moderate to good
Incubation: Molds 7 days at 26 ± 2 °C, Yeasts 3 days, aerobicA recovery rate of 70 % is equivalent to a productivity value of 0.7.The indicated colony counts result from the sum of a triple determination.Reference media: SABOURAUD Agar