Sigma-Aldrich
Platinum-iridium alloy, Pt90Ir10
S-15176 difumarate salt
N-[(3,5-Di-tert-butyl-4-hydroxy-1-thiophenyl)]-3-propyl-N′-(2,3,4-trimethoxybenzyl)piperazine difumarate salt
Silicon nitride-reaction bonded
Stainless Steel-AISI 420 alloy, Fe86.7Cr13.0C0.3
Tantalum
钽
Tetrafluoroethylene-Perfluoro(alkoxy vinyl ether)
Titanium alloy beta 3, Ti77.5Mo12Zr6Sn4.5