Chelex®100是一种苯乙烯-二乙烯基苯共聚物,含有成对的亚氨基二乙酸根离子,在结合多价金属离子时充当螯合基团。它被认为是弱酸性树脂。Chelex是一种螯合树脂,用于从法医样本中提取DNA,如头发、血迹卡和口腔拭子。
beads
200
1% cross-linked polystyrenecross-linked polystyrene beads
iminodiacetic acid (sodium form)paired iminodiacetate groups
through methyl group to aromatic rings
50-100 mesh (dry)
4-14
≥0.3 meq/mL binding capacity0.6 meq/g binding capacity (heavy metal ions)
11 - Combustible Solids
WGK 3
Eyeshields, Gloves, type N95 (US)