筛选产品
ASTM D6584 1,2,4-丁三醇溶液,内标 #1, 1000 μg/mL in pyridine, analytical standard
ASTM D6584 1,2,4-丁三醇溶液,内标 #1, certified reference material, 1000 μg/mL in pyridine, ampule of 5 mL