氧化铒(III),Erbium(III) oxide;99.9% trace metals basis
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全反式视黄醛,all trans-Retinal;powder, ≥98% -
氟化钙,Calcium fluoride;random crystals, optical grade, 99.99% trace metals basis -
羟丙基甲基纤维素,(Hydroxypropyl)methyl cellulose [HPMC];meets USP testing specifications -
氯化铜(II),Copper(II) chloride;99.999% trace metals basis -
四硼酸钠,Sodium tetraborate;anhydrous for analysis, ≥98.0% (acidimetric) -
羟丙基甲基纤维素,(Hydroxypropyl)methyl cellulose [HPMC];average Mn ~120,000
