MERCK 103785.0050 Egg Yolk Tellurite Emulsion Sterile, For Microbiology

Replacement Information
Replacement Information	In North America 1037850001 replaces and is identical to 1.03785.0007

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Description
Catalogue Number	103785
Replaces	1.03785.0007

Product Information
HS Code	3821 00 00
Quality Level	MQ200

Physicochemical Information
Density	1.02 g/cm3 (20 °C)

Safety Information according to GHS
Storage class	10 - 13 Other liquids and solids
WGK	WGK 2 obviously 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 +2°C to +8°C.

Transport Information
Declaration (railroad and road) ADR, RID	Kein Gefahrgut
Declaration (transport by air) IATA-DGR	No Dangerous Good
Declaration (transport by sea) IMDG-Code	No Dangerous Good

Specifications
Appearance	pale yellow emulsion
Sterility test	sterile
Typical composition: Sterile egg-yolk 200 ml; NaCl 4.25 g; potassium tellurite 2.1 g; distilled water to give a final volume of 1000 ml.
Egg-yolk Tellurite Emulsion tested in BAIRD-PARKER-Agar Art. 1.05406.
Inoculum on reference medium- Staphylococcus aureus ATCC 25923 (WDCM 00034)	10 - 100
- Staphylococcus aureus ATCC 6538 (WDCM 00032)	10 - 100
Inoculum- Escherichia coli ATCC 25922 (WDCM 00013)	> 10⁴
- Escherichia coli ATCC 8739 (WDCM 00012)	> 10⁴
- Staphylococcus saprophyticus ATCC 15305 (WDCM 00159)	> 10⁴
- Staphylococcus epidermidis ATCC 12228 (WDCM 00036)	> 10⁴
Recovery on test medium- Staphylococcus aureus ATCC 25923 (WDCM 00034)	≥ 70 %
- Staphylococcus aureus ATCC 6538 (WDCM 00032)	≥ 70 %
Growth- Escherichia coli ATCC 25922 (WDCM 00013)	no growth
- Escherichia coli ATCC 8739 (WDCM 00012)	no growth
- Staphylococcus saprophyticus ATCC 15305 (WDCM 00159)	poor to fair
- Staphylococcus epidermidis ATCC 12228 (WDCM 00036)	poor to fair
Colony colour- Staphylococcus aureus ATCC 25923 (WDCM 00034)	black
- Staphylococcus aureus ATCC 6538 (WDCM 00032)	black
- Staphylococcus saprophyticus ATCC 15305 (WDCM 00159)	black-grey
- Staphylococcus epidermidis ATCC 12228 (WDCM 00036)	black-grey
Clear zones- Staphylococcus aureus ATCC 25923 (WDCM 00034)	+
- Staphylococcus aureus ATCC 6538 (WDCM 00032)	+
- Staphylococcus saprophyticus ATCC 15305 (WDCM 00159)	-
- Staphylococcus epidermidis ATCC 12228 (WDCM 00036)	-
Incubation: 24 - 48 hrs. at 37°C, E.coli: 48 hrs. Reference: Tryptic soy agar.