STANDARD MATERIALS AND METHODS FOR INSTRUMENTAL MEASUREMENT FOR ASTM COLOR OF PETROLEUM PRODUCTS USING THE SAID STANDARD MATERIALS

A set of standard materials, which comprises at least two kinds of standard materials, for calibration of a photoelectric colorimeter used for the instrumental measurement of petroleum products for their ASTM color, comprising at least two kinds of standard materials each of which is a mixed solutio...

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Bibliographic Details
Main Authors YAMAGUCHI, MASAHIRO, NIIZAWA, AKIHIKO
Format Patent
LanguageEnglish
Korean
Published 17.03.1997
Edition6
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
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Summary:A set of standard materials, which comprises at least two kinds of standard materials, for calibration of a photoelectric colorimeter used for the instrumental measurement of petroleum products for their ASTM color, comprising at least two kinds of standard materials each of which is a mixed solution having a color corresponding to an ASTM color and comprises (a) at least five members selected from the group consisting of seven specific colorants such as 3-methyl-1-phenyl-4-(phenylazo)-pyrazol-5-ol, 1-(phenylazo)-2-naphthalenol and 1-[[4-[(dimethylphenyl)azo]dimethylphenyl]azo]-2-naphthalenol, (b) 1-phenyl-1-xylylethane as a solvent for said colorants, and (c) dodecane as a diluent; and a method for instrumental measurement of petroleum products for their ASTM color by a photoelectric colorimeter, which comprises calibrating the photoelectric colorimeter by the use of said at least two kinds of standard materials.
Bibliography:Application Number: KR19930004875