§ 235. Whenever provided for in this article, except as specifically excepted in paragraph d of the preceding section, the word "platinum" may be applied by spelling it out in full or by the abbreviation "plat.", the word "iriduim" may be applied by spelling it out in full or by the abbreviation "irid.", the word "palladium" may be applied by spelling it out in full or by the abbreviation "Pall", the word "ruthenium" may be applied by spelling it out in full or by the abbreviation "Ruth.", the word "rhodium" may be applied by spelling it out in full or by the abbreviation "Rhod.", and the word "osmium" may be applied by spelling it out in full or by the abbreviation "Osmi.".