RXMARINE CHEMICAL TAG::
The use of 2% potassium pyroanti- monate added to fixatives appears to serve as a method to detect cell swelling and to indicate which cells are most susceptible to swelling. After leaching the kidney blocks in sodium-free phosphate buffer, no precipitate was found.
Potassium pyroantimonate is a chemical compound of antimony. Antimony is a metallic element with the chemical symbol Sb and atomic number 51. Small amounts of antimony are found in the earth's crust.