Micro-sections taken as a result of these platinum capsules showed appreciable grain boundary attack as shown in Fig. 4. Here the grains have opened up in excess of 50 percent way with the area of the tube. No attack of this type was noticed when empty platinum capsules were being https://palladium-on-carbon62599.affiliatblogger.com/65762666/not-known-facts-about-palladium-on-carbon