form
powder
Quality Level
technique(s)
microbiological culture: suitable
pH
7.2-7.6 (37 °C, 35 g/L in H2O, after autoclaving)
solubility
35 g/L
application(s)
clinical
food and beverages
microbiology
pathogen testing
storage temp.
20-25°C
General description
for testing the sensitivity of clinically important pathogens
Analysis Note
Appearance (clearness):clear to opalescent
Appearance (colour):yellowish-brown
pH-value (25 °C):7.2 - 7.6
Solidification behaviour (2 hrs., 40 °C):liquid
Inhibition zone diameter/Ampicillin 10 μg (Escherichia coli ATCC 25922 (WDCM 00013)):16 - 22 mm
Inhibition zone diameter/Tetracyclin 30 μg (Escherichia coli ATCC 25922 (WDCM 00013)):18 - 25 mm
Inhibition zone diameter/Gentamicin 10 μg (Escherichia coli ATCC 25922 (WDCM 00013)):19 - 26 mm
Inhibition zone diameter/Polymyxin B 300 U/IE (Escherichia coli ATCC 25922 (WDCM 00013)):12 - 17 mm
Inhibition zone diameter/SXT 1.25 μg + 23.75 μg (Escherichia coli ATCC 25922 (WDCM 00013)):24 - 32 mm
Inhibition zone diameter/Ampicillin 10 μg (Staphylococcus aureus ATCC 25923 (WDCM 00034)):27 - 35 mm
Inhibition zone diameter/Tetracyclin 30 μg (Staphylococcus aureus ATCC 25923 (WDCM 00034)):19 - 28 mm
Inhibition zone diameter/Gentamicin 10 μg (Staphylococcus aureus ATCC 25923 (WDCM 00034)):19 - 27 mm
Inhibition zone diameter/Polymyxin B 300 U/IE (Staphylococcus aureus ATCC 25923 (WDCM 00034)):7 - 13 mm
Inhibition zone diameter/SXT 1.25 μg + 23.75 μg (Staphylococcus aureus ATCC 25923 (WDCM 00034)):24 - 32 mm
Inhibition zone diameter/Gentamicin 10 μg (Pseudomonas aeruginosa ATCC 27853 (WDCM 00025)):16 - 23 mm
Inhibition zone diameter/SXT 1.25 μg + 23.75 μg (Enterococcus faecalis ATCC 33186):≥ 20 mm
Incubation: 24 hrs.; 35 °C; aerobic.
Appearance (colour):yellowish-brown
pH-value (25 °C):7.2 - 7.6
Solidification behaviour (2 hrs., 40 °C):liquid
Inhibition zone diameter/Ampicillin 10 μg (Escherichia coli ATCC 25922 (WDCM 00013)):16 - 22 mm
Inhibition zone diameter/Tetracyclin 30 μg (Escherichia coli ATCC 25922 (WDCM 00013)):18 - 25 mm
Inhibition zone diameter/Gentamicin 10 μg (Escherichia coli ATCC 25922 (WDCM 00013)):19 - 26 mm
Inhibition zone diameter/Polymyxin B 300 U/IE (Escherichia coli ATCC 25922 (WDCM 00013)):12 - 17 mm
Inhibition zone diameter/SXT 1.25 μg + 23.75 μg (Escherichia coli ATCC 25922 (WDCM 00013)):24 - 32 mm
Inhibition zone diameter/Ampicillin 10 μg (Staphylococcus aureus ATCC 25923 (WDCM 00034)):27 - 35 mm
Inhibition zone diameter/Tetracyclin 30 μg (Staphylococcus aureus ATCC 25923 (WDCM 00034)):19 - 28 mm
Inhibition zone diameter/Gentamicin 10 μg (Staphylococcus aureus ATCC 25923 (WDCM 00034)):19 - 27 mm
Inhibition zone diameter/Polymyxin B 300 U/IE (Staphylococcus aureus ATCC 25923 (WDCM 00034)):7 - 13 mm
Inhibition zone diameter/SXT 1.25 μg + 23.75 μg (Staphylococcus aureus ATCC 25923 (WDCM 00034)):24 - 32 mm
Inhibition zone diameter/Gentamicin 10 μg (Pseudomonas aeruginosa ATCC 27853 (WDCM 00025)):16 - 23 mm
Inhibition zone diameter/SXT 1.25 μg + 23.75 μg (Enterococcus faecalis ATCC 33186):≥ 20 mm
Incubation: 24 hrs.; 35 °C; aerobic.
Footnote
We offer two media types: the superior granulated GranuCult® and the cost-efficient powdered NutriSelect® culture media, depending on your needs.
The designations basic, plus, or prime are added to indicate the quality control level, from basic quality control to standard QC plus to prime for full regulatory compliance.
The designations basic, plus, or prime are added to indicate the quality control level, from basic quality control to standard QC plus to prime for full regulatory compliance.
Legal Information
GRANUCULT is a registered trademark of Merck KGaA, Darmstadt, Germany
NutriSelect is a registered trademark of Merck KGaA, Darmstadt, Germany
WGK
WGK 3
Regulatory Information
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