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2 442 979

(13)

(51)

IPC

G01N33/15(2006-01-01)

G01N27/48(2006-01-01)

(21) (22)

Application

2011102172/15, 2011-01-21

(24)

Start date

2011-01-21

(22)

Actual filing date

2011-01-21

(45)

Published

2012-02-20

(72)

Inventor

Konarev Aleksandr AndreevichIgosheva Marina Aleksandrovna

(73)

Holder

Federal'Noe Gosudarstvennoe Unitarnoe Predprijatie Nauchnyj Tsentr Institut Organicheskikh Poluproduktov I Krasitelej"

METHOD FOR QUANTITATIVE DETERMINATION OF 5-AMINO LEVULINIC (5-AMINO-4-OXOPENTAN) ACID HYDROCHLORIDE AND ITS ETHERS Russian patent published in 2012 - IPC G01N33/15 G01N27/48

Abstract RU 2442979 C1

FIELD: analytical chemistry.

SUBSTANCE: conductometric quantitative determination of 5-aminolevulinic (5-amino-4-oxopentan) acid hydrochloride and its ethers including preparation of the samples of analyzed substance, measuring the conductivity of solution, titration, drawing of conductometric curve, determination of equivalence points and calculation of basic substance content, wherein the titration of samples of 5-aminolevulinic (5-amino-4-oxopentan) acid hydrochloride and its ethers is performed using argentic nitrate solution, and calculation of basic substance content in 5-aminolevulinic (5-amino-4-oxopentan) acid hydrochloride and its ethers is performed using the formula.

EFFECT: accelerated analysis of basic substance content in aminolevulinic acid hydrochloride or in its ethers which enhances its realization in manufacturing environment.

1 dwg, 1 dwg

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RU 2 442 979 C1

Authors

Konarev Aleksandr Andreevich

Igosheva Marina Aleksandrovna

Dates

2012-02-20—Published

2011-01-21—Filed