水, Water

二甲苯酚橙钠盐, Xylenol Orange tetrasodium salt

酵母提取物, Yeast Extract

氟化镱(III), Ytterbium(III) fluoride

四水合乙酸钇(III), Yttrium(III) acetate tetrahydrate

2-乙基己酸钇(III), Yttrium(III) 2-ethylhexanoate

氧化钇(III), Yttrium(III) Oxide

硫酸钇(III)水合物, Yttrium(III) sulfate hydrate

沸石Y, Zeolite Y

沸石 ZSM-5, Zeolite ZSM-5