Identical contents to 270304, plus palladium catalyst strip. Containes one tablet sodium bicarbonate and citric acid. Assures accurate quantities of fresh, active catalyst for every run. Description BBL No. Also usable in BBL gas-generating pouch systems.
Convenient strips change from blue to colorless in the absence of oxygen.
No refrigeration needed. Consists of a foil envelope containing a pad saturated with methylene blue solution. The pad changes from blue to colorless in the absence of oxygen. Consists of threaded vent, rubber tubing, and tubing clamp.