1 Yellow media without gas pocket-sugar utilization with production of acid only. 2  Red media (no change in media) -no change and no sugar utilization. 3  Pink media especially at the top, ignore gas-no sugar utilization with degradation of protein resulting in alkaline end products (this may be difficult to see).
With organic solvents with long alkane chain, such as n-hexadecane and n-decane, the water droplets become much larger and the microemulsion is unstable. In this case, solvent polarity may have become a determining factor and the long alkane chain was too hydrophobic to form a stable microemulsion with water.
CanDoÂ® Progressive Instability Pad - 20 diameter - Yellow - x-light instability: 1  Each pad in the series of 5 CanDoÂ® Progressive Balance Pads has a different level of give and offers a different vestibular challenge. Yellow is the least unstable (easiest), and black is the most unstable (most challenging) surface. The CanDoÂ® Instability pads are made from the same foam as the low impact aerobic pads. This combination of foam and geometric ...Show more cut-out design yields comfort and functionality.