| 英文名称: | 32 kinds of metal mixed standard / aluminum, arsenic, boron, barium, beryllium, bismuth, calcium, cadmium, cobalt, chromium, copper, iron, gallium, germanium, potassium, lithium, magnesium, manganese, molybdenum, sodium, niobium, nickel, lead, antimony, tin, strontium, tantalum, titanium, thallium, vanadium, zinc, zirconium |