| 英文名称: | 27 kinds of metal mixed standard / aluminum, arsenic, boron, barium, bismuth, calcium, cadmium, cobalt, chromium, copper, iron, gallium, indium, potassium, magnesium, manganese, molybdenum, sodium, nickel, lead, antimony, selenium, strontium, tellurium, vanadium, zinc, zirconium |