What is the absorbance value of peg?
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The absorbance value of polyethylene glycol (PEG) varies depending on its composition and application. In the context of absorbing volatile organic compounds (VOCs) like dichloromethane (DCM) and benzene, a complex absorbent of PEG200 and ionic liquids showed high absorptivity for DCM (85.46%) and benzene (87.15%) . Additionally, the optical constants of PEG were determined using reflection spectroscopic ellipsometry and transmission ultraviolet-visible spectroscopy, providing values for the refractive index at different wavelengths . Furthermore, a binary mixture of PEG 200 and 3-dimethylamino-propylamine (DMAPA) achieved a CO2 absorption of about 0.19 g per gram of absorbent at room temperature . These studies highlight the diverse absorbance capabilities of PEG in various applications, showcasing its potential as an absorbent material.
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31 Mar 2021 1 Citations | Absorbance value of PEG was not directly provided in the paper. The study focused on CO2 absorption by a PEG 200 + DMAPA mixture, achieving 0.19 g CO2/g absorbent. |
19 Citations | Absorption capacities of polyethylene glycol (PEG 400) vary for different volatile organic compounds, showing high efficiency in washing out hydrophobic molecules in concentrated solutions. |
| The absorbance value of PEG200 in the [HMIM][Cl]–PEG200 complex absorbent for DCM is 85.46% in the first 5 minutes and 87.15% for benzene. | |
5 Citations | Not addressed in the paper. |
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