In high school chemistry (mid 1990's), I was told that "sulfur" had become standardised over "sulphur". Seems like this began happening in the mid 70's... http

In high school chemistry (mid 1990's), I was told that "sulfur" had become standardised over "sulphur". Seems like this began happening in the mid 70's... http://chronicle.nytlabs.com/?keyword=sulfur.sulphur http://chronicle.nytlabs.com/?keyword=sulfur.sulphur