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เอกสารมาตรฐาน
สหรัฐอเมริกา
APHA
SMWW 3500-Rh
Rhodium
2023
1
Standard methods for the examination of water and wastewater (543.3 APHA 24th ed. Ref. Treatises&monographs FL2)
Rhodium (Rh) is the fifth element in Group VIII in the periodic table. It has an atomic number of 45, an atomic weight of 102.91, and valences of 1 through 6, the most common being 1 and 3. Rhodium is found in its native state in platinum-bearing sands. It is used in platinum alloys for thermocouples, electrical contacts, and jewelry...