RU97109423A - METHOD FOR PRODUCING MEDICAL ASKORBINIC ACID - Google Patents

METHOD FOR PRODUCING MEDICAL ASKORBINIC ACID

Info

Publication number
RU97109423A
RU97109423A RU97109423/04A RU97109423A RU97109423A RU 97109423 A RU97109423 A RU 97109423A RU 97109423/04 A RU97109423/04 A RU 97109423/04A RU 97109423 A RU97109423 A RU 97109423A RU 97109423 A RU97109423 A RU 97109423A
Authority
RU
Russia
Prior art keywords
acid
ascorbic acid
askorbinic
medical
producing medical
Prior art date
Application number
RU97109423/04A
Other languages
Russian (ru)
Other versions
RU2119486C1 (en
Inventor
Л.И. Кочеткова
Т.М. Роева
Н.В. Сердюк
А.Т. Кирсанов
П.Г. Ященко
Р.Д. Жариков
Original Assignee
Открытое акционерное общество "Белгородвитамины"
Filing date
Publication date
Application filed by Открытое акционерное общество "Белгородвитамины" filed Critical Открытое акционерное общество "Белгородвитамины"
Priority to RU97109423A priority Critical patent/RU2119486C1/en
Priority claimed from RU97109423A external-priority patent/RU2119486C1/en
Application granted granted Critical
Publication of RU2119486C1 publication Critical patent/RU2119486C1/en
Publication of RU97109423A publication Critical patent/RU97109423A/en

Links

Claims (2)

1. Способ получения медицинской аскорбиновой кислоты, включающий очистку раствора технической аскорбиновой кислоты, кристаллизацию, отделение кристаллов медицинской аскорбиновой кислоты, концентрирование и кристаллизацию маточных растворов, выделение кристаллических маточных кислот, их очистку и перекристаллизацию до медицинской аскорбиновой кислоты, отличающийся тем, что маточные растворы, образующиеся при кристаллизации медицинской аскорбиновой кислоты предварительно обрабатывают натрийсодержащим щелочным соединением или соляной кислотой до pH 2,2 - 2,4.1. A method of obtaining medical ascorbic acid, including purification of a solution of technical ascorbic acid, crystallization, separation of crystals of medical ascorbic acid, concentration and crystallization of mother liquors, isolation of crystalline mother liquors, their purification and recrystallization to medical ascorbic acid, characterized in that the mother liquors, formed upon crystallization of medical ascorbic acid is pretreated with a sodium-containing alkaline compound or with Jana acid to pH 2,2 - 2,4. 2. Способ п. 1, отличающийся тем, что в качестве щелочного соединения используют NaOH или Na2CO3 или NaHCO3.2. The method of claim 1, characterized in that NaOH or Na 2 CO 3 or NaHCO 3 is used as the alkaline compound.
RU97109423A 1997-06-03 1997-06-03 Method of medicinal ascorbic acid producing RU2119486C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU97109423A RU2119486C1 (en) 1997-06-03 1997-06-03 Method of medicinal ascorbic acid producing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU97109423A RU2119486C1 (en) 1997-06-03 1997-06-03 Method of medicinal ascorbic acid producing

Publications (2)

Publication Number Publication Date
RU2119486C1 RU2119486C1 (en) 1998-09-27
RU97109423A true RU97109423A (en) 1999-02-27

Family

ID=20193840

Family Applications (1)

Application Number Title Priority Date Filing Date
RU97109423A RU2119486C1 (en) 1997-06-03 1997-06-03 Method of medicinal ascorbic acid producing

Country Status (1)

Country Link
RU (1) RU2119486C1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2562516C1 (en) * 2014-04-25 2015-09-10 Федеральное государственное бюджетное научное учреждение "Всероссийский научно-исследовательский институт пищевых добавок" (ФГБНУ ВНИИПД) Method for production of sodium ascorbate food additive

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