Aluminum (Al) 알루미늄

Copper (Cu) 구리

Nickel (Ni) 니켈

Molybdenum (Mo) 몰리브덴

Titanium (Ti) 티타늄

Platinum (Pt) 백금

Tungsten (W) 텅스텐

Carbon (C) 카본

Niobium (Nb) 니오븀

Zirconium (Zr) 지르코늄

Tantalum (Ta) 탄탈

Gold (Au) 골드

Cadmium (Cd) 카드뮴

Palladium (Pd) 팔라듐

Indium (In) 인듐

Silver (Ag) 실버

National Research Council Canada MESS-4:Marine Sediment Certified Reference Material for total and extractable metal content

NRC® PACS-3:Marine Sediment Certified Reference Material for total and extractable metal content

Flon Industry PTFE fibers / PTFE 섬유

NRC® NASS-7:Seawater certified reference material for trace metals and other constituents

NRC® SALT-1:Sea salt Certified Reference Material for nutrients in seawater