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Poly(acrylamide), carboxyl modified, low carboxyl content, approx. MW 200,000, pure 250GR
4-(4,4,5,5-四甲基-1,3,2-二氧硼戊环-2-基)吡唑, ≥97.0%
3,3'-Thiodipropionic acid, 99% 5GR
硫酸亚铁
4-甲氧苯基-3-O-烯丙基-4,6-O-苯亚甲基-2-O-(4-甲基苯甲酰)-β-D-吡喃半乳糖苷,98.0%(LC)
Pentyl isothiocyanate， 95%
Antimony(III) sulfide, 99.999% (metals basis)
TITANIUM AA/ICP CALIBRATION/CHECK STANDA RD FOR EN
CORNING HTS TRANSWELL24,TCT,S,PORE 0.4UM
红花黄色素
