Dog Rocks Â® are a 100% natural, paramagnetic igneous rock mined from a quarry in Australia. They contain no chemicals and have been scientifically tested and proven safe for all pets.
In brief: Water. Free fluid is typically water. The lining of your abdominal contents are slippery (your bowel, the lining of your organs) and it's thus wet inside your abdomen. It's normal to have a little free fluid in one's pelvis, as that's where fluid tends to pool.
Free cyanide is a rather unscientific term that generally means cyanide that shows up in a silver nitrate titration. Total cyanide is determined by doing a cyanide distillation.. The sample is boiled with sulfuric acid, the water vapor recondensed, while a stream of air is drawn through the boiler.