Patent ID: 8480993

Claim:
A diamond reference standard comprising a diamond composite containing diamond crystals connected by a silicon carbide bond doped with the elements: Lithium, Beryllium, Boron, Fluorine, Sodium, Magnesium, Aluminum, Phosphorous, Sulphur, Chlorine, Potassium, Calcium, Scandium, Titanium, Vanadium, Chromium, Manganese, Iron, Cobalt, Nickel, Copper, Zinc, Gallium, Germanium, Arsenic, Selenium, Bromine, Rubidium, Strontium, Yttrium, Zirconium, Niobium, Molybdenum, Rhodium, Palladium, Silver, Cadmium, Indium, Tin, Antimony, Tellurium, Iodine, Cesium, Barium, Hafnium, Tantalum, Tungsten, Rhenium, Osmium, Platinum, Thallium, Lead, Bismuth, Lanthanum, Cerium, Praseodymium, Neodymium, Samarium, Europium, Gadolinium, Terbium, Dysprosium, Holmium Erbium, Thulium, Ytterbium, Lutetium, Thorium, and Uranium.