Quick method to distinguish alkylbenzene and naphthenic lubricants in compressors

A method for the identification of whether a lubricant in a compressor is an alkylbenzene or a naphthenic oil. This method comprises adding 3,3-bis (p-hydroxyphenyl) phthalide and observing whether there is an absence or presence of turbidity.

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Bibliographische Detailangaben
Hauptverfasser:	KWON, SUNG L, SADHIR, RAJENDER K
Format:	Patent
Sprache:	eng
Schlagworte:	GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TESTING
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Beschreibung
Zusammenfassung:	A method for the identification of whether a lubricant in a compressor is an alkylbenzene or a naphthenic oil. This method comprises adding 3,3-bis (p-hydroxyphenyl) phthalide and observing whether there is an absence or presence of turbidity.