Sigma-Aldrich
Nickel
镍
Silicon nitride-gas pressure sintered
Silver
银
酪蛋白酵母蛋白胨, Casein Yeast Peptone
Iron
铁
Molybdenum
钼
凝乳酶, Rennin from calf stomach
Tungsten
钨
trans-4-Hydroxy-L-proline
反式 -4-羟基- L -脯氨酸
Eicosane
正二十烷
Ammonium phosphate monobasic
磷酸二氢铵
Copper
铜
Copper-O.F.H.C.