异辛烷中八氟萘溶液标准物质 (0.1 ppb)1 mL
异辛烷中八氟萘溶液标准物质 (0.1 ppb)1 mL
磷单元素和铅、锰、铝混合溶液标准物质(套装),1000 ppm(mg/L)10 mL/支
TOC调谐用葡萄糖标准物质25 g
[13C6]-Metazachlor ESA
[2H8]-Landiolol
[2H7]-Vitamin D3
38种农药混标,100ppm
[2H4]-11-Deoxycorticosterone
[2H3]-Cotinine, racemic mixture
[2H5]-17-beta-Estradiol
[13C6]-Glibenclamide
[13C6]-Tranexamic acid