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L-天门冬氨酸-4-叔丁基酯
去氢紫堇碱硝酸盐
(定制产品)19种元素ICP-MS混标,溶于5% HNO3
3-喹啉硼酸频哪醇酯
N-苯基硫脲
6-叔丁基间甲酚
LIDS FLAT FLANGE, DN 60, WITH CENTER NECK GL 18, 2 ANGLED SIDE NECKS 15° GL 18, 1 STRAIGHT PARALLEL SIDE NECK GL 14, BOROSILICATE GLASS
Bowl, PP, white, round, diameter 280 mm, 4 l
Aluminium oxide 60 G neutral (type E) for thinlayer chromatography
(定制产品)5种元素ICP-MS混标,Ge/Co/Li/Tl/Y,10μg/L溶于1% HNO3