STANDARD SAMPLES AND METHODS OF INSTRUMENTAL MEASUREMENT OF SAYBOLT COLOR OF PETROLEUM PRODUCTS USING SAID SAMPLES

• Main Authors: YAMAGUCHI, MASAHIRO, NIIZAWA, AKIHIKO
• Format: Patent
• Language: English; Korean
• Published: 02.11.1995
• Edition: 6
• Subjects: ADHESIVES; CHEMISTRY; COLORIMETRY; DYES; INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; LAKES; MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT; MEASURING; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; MORDANTS; NATURAL RESINS; ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; PAINTS; PHYSICS; POLISHES; RADIATION PYROMETRY; TESTING

A standard sample for use in an instrumental measurement of Saybolt color of a petroleum product with a photoelectric colorimeter, which comprises a mixed solution of 1-(phenylazo)-2-naphthalenol, 3-methyl-1-phenyl-4-(phenylazo)-pyrazol-5-ol and 1,4-bis(butylamino)-9,10-anthracenedione each as a col...