pH value

7.0 - 7.4 (36.6 g/l, H₂O, 25 °C) (after autoclaving)

Solubility

31.6 g/l

Storage class

10 - 13 Other liquids and solids

WGK

WGK 2 obviously hazardous to water

Disposal

3
Relatively 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

Store at +15°C to +25°C.

Appearance (clearness)

clear

Appearance (colour)

yellowish to yellowish-brown

pH-value (25 °C)

7.0 - 7.4

Growth promotion test in accordance with the current version of DIN EN ISO 11133.

Inoculum on reference medium (Escherichia coli ATCC 8739 (WDCM 00012))

Inoculum on reference medium (Escherichia coli ATCC 25922 (WDCM 00013))

Inoculum on reference medium(Escherichia coli NCTC 13216 (WDCM00202))

Colony count (Escherichia coli ATCC 8739 (WDCM 00012))

Colony count (Escherichia coli ATCC 25922 (WDCM 00013))

Colony count (Escherichia coli NCTC 13216 (WDCM00202))

Recovery on test medium (Escherichia coli ATCC 8739 (WDCM 00012))

≥ 50 %

Recovery on test medium (Escherichia coli ATCC 25922 (WDCM 00013))

≥ 50 %

Recovery on test medium(Escherichia coli NCTC 13216 (WDCM00202))

≥ 50 %

Growth (Enterococcus faecalis ATCC 19433 (WDCM 00009))

total inhibition

Growth (Enterococcus faecalis ATCC 29212 (WDCM 00087))

total inhibition

Growth (Citrobacter freundii ATCC 43864 (WDCM 00006))

no limit

Growth (Pseudomonas aeruginosa ATCC 27853 (WDCM 00025))

no limit

Colonies (Escherichia coli ATCC 8739 (WDCM 00012))

turquoise to blue

Colonies (Escherichia coli ATCC 25922 (WDCM 00013))

turquoise to blue

Colonies ((Escherichia coli NCTC 13216 (WDCM00202))

turquoise to blue

Colonies (Citrobacter freundii ATCC 43864 (WDCM 00006))

white to green-beige

Colonies (Pseudomonas aeruginosa ATCC 27853 (WDCM 00025))

white to green-beige

Incubation: 21 ± 3 hours at 44 ± 1 °C aerobic
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.
Reference media: Tryptic Soy Agar