SPI Supplies HOPG
SPI Supplies offers its own "brand" of HOPG. It comes in three different grades as well as several standard sizes.
Grade SPI-1 is very similar to Grade ZYA described below and is comparable to the very best "calibration grade" HOPG. Grade SPI-2 is very similar to ZYB, is slightly less highly ordered than SPI-1 but is acceptable for most users. Grade SPI-3 may not be acceptable for the most demanding of experiments but for student use its much more economical pricing makes it ideal.
Subcategories in SPI Supplies HOPG
Items in SPI Supplies HOPG