{'fraction_non_alphanumeric': 0.012422360248447204, 'fraction_numerical': 0.0, 'mean_word_length': 5.773109243697479, 'pattern_counts': {'":': 0, '<': 0, '<?xml version=': 0, '>': 0, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
Adsorption of halothane by activated charcoal

A recent paper’ from the Department of Anaesthetics at the Welsh National School of Medicine provided some of the experimental data for the adsorption of expired halothane from anaesthetised patients using disposable canisters containing activated charcoal. In clinical practice the ‘break point’ of the canister is determined gravimetrically and, provided this is not grossly exceeded, there is no risk of appreciable concentrations of halothane entering the theatre atmosphere. It is important to know if halothane-free gases would drive previously adsorbed halothane into the atmosphere should the canister remain connected to the anaesthetic circuit. To investigate this possibility at room temperature the following series of experiments were performed.