60983 | Sigma-Aldrich

sterile culture tubes. For further confirmation the indole test can be made with Kovac’s reagent (60983). Cover a colony with 10-20 µl Kovac’s reagent. A change of color to red after 2-10 seconds shows

Data Sheet - 44657

indicates the presence of E. coli. In addition the indole test can be made with Kovac’s reagent (Fluka 60983). Cover a colony with 10-20 µl Kovac’s reagent. A change of color to red after 2-10 seconds shows

Data Sheet - 95273

check again for fluorescence. For confirmation, the indole test can be made with Kovac’s reagent (60983). Cover a colony with 10-20 µl Kovac’s reagent. A change of color to red after 2-10 seconds shows

Data Sheet - 04313

coli. If no fluorescence occurs after 24 hours of incubation do not add Kovacs reagent (Cat. No. 60983) for checking the indole reaction as this alcoholic reagent will destroy the growth conditions for

Data Sheet - 31401

coli. If no fluorescence occurs after 24 hours of incubation do not add Kovacs reagent (Cat. No. 60983) for checking the indole reaction as this alcoholic reagent will destroy the growth conditions for

Data Sheet - 22099

presence of E. coli. For confirmation the indole test can be made with Kovac’s reagent (Cat. No. 60983). Cover a colony with 10-20 µl Kovac’s reagent. A change of color to red after 2-10 seconds indicates

Data Sheet - 67309

peptone with a high tryptophane content. Cat. No. 67309 contains Isoamylic alcohol and Cat. No. 60983 n-Butanol as solvent, they are more stable than amyl alcohol described in the older formulations.

Data Sheet - 93657

amino-acid tryptophan into indol and α-aminopropionic acid (3). Indol can be detected by Kovac’s reagent (60983, 67309) or Ehrlich’s reagent (39070, 39080) forming a red coloured complex that concentrates in a

Data Sheet - 81938

combination with the two Chromogens. To confirm Escherichia coIi, add a drop ot Kovac's reagent (Cat. No 60983) on the dark-blue to violet colony. Formation of cherry- red colour indicates the positive reaction

Data Sheet - 70194

of hydrolytic enzymes and as result indole is formed. Indole can be detected with Kovacs Indole (60983) or Ehrlich’s Reagent (03891). Indole combines with the aldehyde present in the reagent to form a

Data Sheet - 87959

combination with the two Chromogens. To confirm Escherichia coIi, add a drop ot Kovac's reagent (Cat. No. 60983) on the dark-blue to violet colony. Formation of cherry-red colour indicates the positive reaction

BROLACIN MUG Agar

check again for fluorescence. In addition the indole test can be made with Kovac’s reagent (Cat. No. 60983). Cover a colony with 10-20 µl Kovac’s reagent. A change of color to red after 2-10 seconds shows

Data Sheet - 17349

tube incubated at 44°C after 8 to 24 hours, perform indole test by adding Kovac‘s reagent (Cat. No. 60983). A positive indole test in a broth tube showing gas production at 44°C indicates the presence of

Data Sheet - 89823

technique can also be used. To confirm Escherichia coli, add a drop of Kovac’s reagent (Cat. No. 60983) on the dark-blue to violet colony. Formation of cherry-red colour indicates the positive reaction

Data Sheet - 63014

presence of E. coli. For confirmation the indole test can be made with Kovac’s reagent (Cat. No. 60983). Cover a colony with 10-20 µl Kovac’s reagent. A change of color to red after 2-10 seconds indicates

Data Sheet - 61749

tube incubated at 44°C after 8 to 24 hours, perform indole test by adding Kovac‘s reagent (Cat. No. 60983). A positive indole test in a broth tube showing gas production at 44°C indicates the presence of

Data Sheet - 85927

technique can also be used. To confirm Escherichia coli, add a drop of Kovac’s reagent (Cat. No. 60983) on the dark- blue to violet colony. Formation of cherry-red colour indicates the positive reaction

Data Sheet - 16016

coli. If there is no fluorescence after 24 hours of incubation do NOT add Kovacs reagent (Cat. No. 60983) to check the indole reaction because this alcoholic reagent destroys the growth conditions for cultures

Data Sheet - 62634

coli. If there is no fluorescence after 24 hours of incubation do NOT add Kovacs reagent (Cat. No. 60983) to check the indole reaction because this alcoholic reagent destroys the growth conditions for cultures

Data Sheet - 17165

indicates the presence of E. coli. In addition the indole test can be made with Kovac’s reagent (60983). Cover a colony with 10-20 µl Kovac’s reagent. A change of color to red after 2-10 seconds indicates

ID Membranes Flyer

acid. This reagent is for detecting the indole and identify the indole-positive microorganisms. 60983 Kovac's Reagent for indoles 08714 Methyl Red Solution Some bacteria utilize glucose to form large