pH缓冲液,1LT, Buffer solution pH 9,225 BS formulated

4-氯-2-甲硫基嘧啶, 4-Chloro-2-methylthiopyrimidine

d-戊内酯, delta-Valerolactone

碘, Iodine

硫酸锌七水合物,500G, ZINC SULFATE ACS 500G

正十二烷,500ML, N-DODECANE P 500ML

DL-托品酸, DL-Tropic Acid

二(2-氯乙基)胺盐酸盐, Bis(2-chloroethyl)amine Hydrochloride

乙酸钾,1KG, Potassium Acetate

DMA,气相顶空, N,N-Dimethylacetamide