Sigma-Aldrich
Lead
铅
Iron
铁
Molybdenum
钼
m-Endo Total Coliform Broth
Methacrylic anhydride
甲基丙烯酸酐
Methyl 3,3-diethoxy-2-[(phenylacetyl)amino]propanoate
Nalgene® dropper bottle with screw closure
Nickel
镍