SOLIDIFICATION AGENT
Bacteriological agars act as solidification agents in the preparation of solid culture media at concentrations between 12 and 20 g / L.
TYPICAL COMPOSITION
Physical characteristics :
- Aspect, powder color............................................................................................................white cream
- Fusion temperature ..................................................................................................................... ≥ 85 °C
- Gelification temperature ........................................................................................................... 35-30 °C
- Precipitation after sterilization ....................................................................................................negative
- pH at 1,5% gel after sterilization .................................................................................................. 6,5-7,0
- Gel strength at 1,5% after sterilization ............................................................................ 650-700 g/cm2
Chemical characteristics :
- Foreign substances .........................................................................................................less than 1,0 %
- Starch ............................................................................................................................................absent
- Gelatin ...........................................................................................................................................absent
- Sulfuric ash......................................................................................................................less than 6,0 %
- Heavy metals...............................................................................................................less than 0,004 %
- Lead.............................................................................................................................less than 0,001 %
- Arsenic.......................................................................................................................less than 0,0003 %
- Loss on drying ...............................................................................................................less than 10,0 %
PACKAGING
Dehydrated medium :
A1010HA - 500 g bottle
A1010GC - 5 kg drum