WebNational Center for Biotechnology Information WebOct 30, 2015 · Bisphenol A (2,2-bis- (4hydroxyphenyl)propane) Chemical structure Formula C 15 H 16 O 2 Molecular weight 228.29 g/mol Boiling point 398 °C at 760 mmHg Melting point 153–157 °C pKa 9.6–11.3 Water solubility 120–300 mg/L Vapor pressure 0.2 mmHg at 170 °C Log Kow 2.20–3.82 Henry’s constant 1.0 × 10 −10 atm m 3 /mol
Determination of bisphenol a migration from food packaging …
sample/matrix: Drinking water spiked with bisphenol A to a 0.2 µg/mL level; SPE tube: Supelclean ENVI-18, 500 mg, 6 mL glass tube, PTFE frit (Product No. 54331-U); condition: 1 mL 1% formic acid in acetonitrile, 1 mL DI water; sample addition: 5 mL spiked water; sample elution: 2 mL 1% formic acid in acetonitrile … See more A better signal-to-noise ratio was obtained with the FL detector. Also of note is the slightly longer retention time and broader peak shape observed on the FL chromatograms. … See more A comprehensive sample preparation and analytical procedure was developed for determining BPA in drinking water. This fast procedure employed materials and techniques selected … See more WebApr 18, 2024 · Bisphenol A (BPA) is a highly-produced organic compound of anthropogenic origin with a wide-range use and is ubiquitously present in both living organisms and the … csumb free hbo
HPLC Method for Simultaneous Determination of …
WebJan 1, 2024 · Linearity of analytical HPLC determining the level of free bisphenol A (BPA) in sheep matrices, evaluated as an intra-day correlation between the mean measured … WebBisphenol A (BPA) is a high production volume industrial chemical used to make polycarbonate plastics and epoxy resins that are used in many industries. BPA is released into the environment through industrial effluents and can also leach from packaging materials into food and beverage products. Web我国环境污染物的暴露特征复杂, 人群暴露途径和暴露剂量不清, 暴露所产生的健康危害研究缺乏理论和方法。项目以二恶英、四溴双酚a、全氟化合物、高氯酸盐和碘等含卤素类热点污染物为研究对象, 通过与基于生理学为基础的毒物动力学(pbtk)关联,在我国开展人群污染物环境及膳食内外暴露的分析 ... early voting in johnson county iowa