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现行 RP-1240
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Method-of-Test for Identification and Quantification of Organic Acids on Desiccants so as to Determine Refrigeration System Chemical Conditiion 测定制冷系统化学条件用干燥剂上有机酸的鉴定和定量的试验方法
描述了一种经过验证的分析程序,该程序可识别和量化在制冷系统过滤干燥器中的干燥剂材料上收集的有机酸,以确定制冷系统的整体和持续健康状况。本研究工作使用制冷级干燥剂,包括3A和4A型分子筛以及三种氧化铝三水合物。图中显示了POE产生的游离脂肪酸和干燥剂接触产生的游离脂肪酸回收。
A validated analytical procedure is described that identifies and quantifies organic acids that have collected on desiccant materials in filter driers in refrigeration systems to determine overall and continued health of refrigeration systems. This research work uses refrigeration grade desiccants and includes Type 3A and 4A molecular sieve and three alumina trihydrates. Free fatty acid formation from POE and free fatty acid recovery from desiccant contact is shown.
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