RU98120309A - DETERMINATION OF MALEINIMIDES AS SALTS OF ACI-FORMS - Google Patents

DETERMINATION OF MALEINIMIDES AS SALTS OF ACI-FORMS

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Publication number
RU98120309A
RU98120309A RU98120309/28A RU98120309A RU98120309A RU 98120309 A RU98120309 A RU 98120309A RU 98120309/28 A RU98120309/28 A RU 98120309/28A RU 98120309 A RU98120309 A RU 98120309A RU 98120309 A RU98120309 A RU 98120309A
Authority
RU
Russia
Prior art keywords
aci
salts
determination
forms
maleinimides
Prior art date
Application number
RU98120309/28A
Other languages
Russian (ru)
Other versions
RU2156454C2 (en
Inventor
Р.Н. Исаев
А.В. Ишков
И.Т. Жигулина
Original Assignee
Алтайский государственный университет
Filing date
Publication date
Application filed by Алтайский государственный университет filed Critical Алтайский государственный университет
Priority to RU98120309A priority Critical patent/RU2156454C2/en
Priority claimed from RU98120309A external-priority patent/RU2156454C2/en
Publication of RU98120309A publication Critical patent/RU98120309A/en
Application granted granted Critical
Publication of RU2156454C2 publication Critical patent/RU2156454C2/en

Links

Claims (1)

Способ определения малеинимидов в виде солей аци-форм путем последовательной обработки раствора анализируемого имида в концентрированной уксусной кислоте реагентами, отличающийся тем, что в качестве реагентов используют сначала 10%-ный раствор нитрата калия в концентрированной серной кислоте при температуре 20-25°С, а затем через 10-12 мин 20%-ный водный раствор гидроксида натрия, после чего измеряют оптическую плотность полученных растворов при характеристической длине волны.A method for the determination of maleimides in the form of salts of aci-forms by sequential processing of a solution of the analyzed imide in concentrated acetic acid with reagents, characterized in that the reagents are first used a 10% solution of potassium nitrate in concentrated sulfuric acid at a temperature of 20-25 ° C, and then after 10-12 minutes a 20% aqueous solution of sodium hydroxide, after which the optical density of the resulting solutions is measured at a characteristic wavelength.
RU98120309A 1998-11-12 1998-11-12 Determination of maleimides in the form of acid salts RU2156454C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU98120309A RU2156454C2 (en) 1998-11-12 1998-11-12 Determination of maleimides in the form of acid salts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU98120309A RU2156454C2 (en) 1998-11-12 1998-11-12 Determination of maleimides in the form of acid salts

Publications (2)

Publication Number Publication Date
RU98120309A true RU98120309A (en) 2000-08-27
RU2156454C2 RU2156454C2 (en) 2000-09-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU98120309A RU2156454C2 (en) 1998-11-12 1998-11-12 Determination of maleimides in the form of acid salts

Country Status (1)

Country Link
RU (1) RU2156454C2 (en)

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