FIELD: analytical chemistry. SUBSTANCE: invention relates to a method of determination of free formaldehyde in vaccines, in part, in mixed vaccine against viral enteritis, botulism, pseudomonosis and plague in carnivore animals, vaccine against adenoviral enteritis in dogs, vaccine against plague, adenoviral infections and parvoviral enteritis in carnivore animals, vaccine against pseudomonosis in fur animals. Free formaldehyde is determined by polarography method at wavelength of reduction of Schiff's reagent which is formed in the presence of phenylhydrazine in phosphate buffer, pH 6.8-7.0. Recording of Schiff's reagent reduction polarograms is carried out at direct current differential regime. Method can be used also for analysis of formaldehyde in different technological solutions. EFFECT: increased precision and sensitivity of method. 1 dwg
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Year |
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| METHOD FOR POLAROGRAPHIC DETERMINATION OF 5-NITROLEVULINIV (5-NITRO-4-OXOPENTANOIC) ACID METHYL ESTER AND ITS REDUCED COMPOUNDS |
2006 |
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| VACCINE FOR CONTROL OF VIRAL ENTERITIS, BOTULISM, PSEUDOMONOSIS AND PLAGUE IN CARNIVORES |
1994 |
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| PROCEDURE DETERMINING AROMATIC NITROCOMPOUNDS AND PRODUCTS FOR THEIR REDUCTION |
1998 |
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| ASSOCIATED VACCINE AGAINST DISTEMPER, PARVOVIRUS AND CORONAVIRUS ENTERITIS, ADENOVIRUS INFECTION AND CANINE RABIES |
2023 |
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| VACCINE AGAINST VIRAL ENTERITIS, BOTULISM AND CARNIVOROUS PLAGUE, METHOD OF ITS PREPARING, AND A METHOD OF PROPHYLAXIS OF THESE DISEASES |
1989 |
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| ASSOCIATED VACCINE FOR PREVENTING DISEASES IN FURRED ANIMALS |
2001 |
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| ASSOCIATED VACCINE AGAINST CANINE DISTEMPER, PARVOVIRUS AND CORONAVIRUS ENTERITIS, ADENOVIRUS INFECTION OF DOGS |
2022 |
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| VACCINE FOR PREVENTION OF PLAGUE, INFECTIOUS HEPATITIS, ADENOVIROSIS, PARVOVIRAL ENTERITIS AND CANINE LEPTOSPIROSIS |
1992 |
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| VACCINE FOR PLAGUE, INFECTION HEPATITIS, ADENOVIRAL INFECTIONS AND PARVOVIRAL ENTERITIS PROPHYLAXIS IN DOGS, AND A METHOD OF PROPHYLAXIS OF PLAGUE, INFECTION HEPATITIS, ADENOVIRAL INFECTIONS AND PARVOVIRAL ENTERITIS IN DOGS |
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