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2 720 799

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(51)

IPC

G01N30/90(2006-01-01)

C09B47/24(2006-01-01)

G01N21/27(2006-01-01)

(21) (22)

Application

2019112237, 2019-07-03

(24)

Start date

2019-07-03

(22)

Actual filing date

2019-07-03

(45)

Published

2020-05-13

(72)

Inventor

Konarev Aleksandr Andreevich

(73)

Holder

Federalnoe Gosudarstvennoe Unitarnoe Predpriyatie Nauchnyj Tsentr Institut Organicheskikh Poluproduktov I Krasitelej"

METHOD OF DETERMINING FRACTIONAL COMPOSITION OF SULPHONATED ALUMINUM PHTHALOCYANINE Russian patent published in 2020 - IPC G01N30/90 C09B47/24 G01N21/27

Abstract RU 2720799 C1

FIELD: chemistry.

SUBSTANCE: invention relates to a method of determining fractional composition of sulphonated phthalocyanine aluminum, involving separation of fractions of sulphonic acids by thin-layer chromatography in an eluent of composition n-butanol – acetic acid – water. Method is characterized by separation of sulphonic acid fractions in an eluent: n-butanol: acetic acid: water in volume ratio of 3.5:1:4.4, and quantitative determination of fractions is carried out photometrically at wavelength 671–675 nm.

EFFECT: method enables to determine fractional composition of aluminum phthalocyanine sulphonic acids with high accuracy and using simple and available equipment, which enables to realize it in production conditions.

1 cl, 4 dwg, 1 tbl, 6 ex

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RU 2 720 799 C1

Authors

Konarev Aleksandr Andreevich

Dates

2020-05-13—Published

2019-07-03—Filed