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SU1047941A1 - Method of producing emerald-colour pigment - Google Patents

Method of producing emerald-colour pigment Download PDF

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Publication number
SU1047941A1
SU1047941A1 SU823416042A SU3416042A SU1047941A1 SU 1047941 A1 SU1047941 A1 SU 1047941A1 SU 823416042 A SU823416042 A SU 823416042A SU 3416042 A SU3416042 A SU 3416042A SU 1047941 A1 SU1047941 A1 SU 1047941A1
Authority
SU
USSR - Soviet Union
Prior art keywords
emerald
pigment
chromium
colour pigment
producing
Prior art date
Application number
SU823416042A
Other languages
Russian (ru)
Inventor
Борис Петрович Середа
Любовь Федоровна Чехомова
Александра Алексеевна Солошенко
Валентин Дмитриевич Бадич
Эльвира Викторовна Вараксина
Борис Алексеевич Попов
Лев Николаевич Новожилов
Евгений Алексеевич Коробейников
Original Assignee
Предприятие П/Я А-7125
Предприятие П/Я Г-4427
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Предприятие П/Я А-7125, Предприятие П/Я Г-4427 filed Critical Предприятие П/Я А-7125
Priority to SU823416042A priority Critical patent/SU1047941A1/en
Application granted granted Critical
Publication of SU1047941A1 publication Critical patent/SU1047941A1/en

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Abstract

СПОСОБ ПОЛУЧЕНИЯ ИЗУМРУДНОГО ХРОМОВОГО ПИГМЕНТА, включакдаий гидротермальную ое5работку гидратов окиси хрома, отделение твердой фазы, репульпацию ее в водной среде, промывку водой и сушку, отличающийс  тем, что, с целью улучшени  пигментных свойств, репульпацию ведут в присутствии ортофосфорной кислоты при рН 6,5-8,0.METHOD FOR OBTAINING EMERALD CHROMIUM PIGMENT, including hydrothermal treatment of chromium oxide hydrates, separation of the solid phase, repulping it in an aqueous medium, washing with water and drying, characterized in that, in order to improve the pigment properties, the body is repulsed in the presence of ortho-phosphorus in the presence of ortho-phosphorus. -8.0.

Description

со with

Claims (1)

СПОСОБ ПОЛУЧЕНИЯ ИЗУМРУДНОГО ХРОМОВОГО ПИГМЕНТА, включающий гидротермальную обработку гидратов окиси хрома, отделение твердой фазы, репульпацию ее в водной среде, промывку водой и сушку, отличающийся тем, что, с целью улучшения пигментных свойств, репульпацию ведут в присутствии ортофосфорной кислоты при pH 6,5-8,0.METHOD FOR PRODUCING EMERALD CHROMIUM PIGMENT, including hydrothermal treatment of chromium hydrates, separation of the solid phase, its repulpation in an aqueous medium, washing with water and drying, characterized in that, in order to improve pigment properties, repulpation is carried out in the presence of phosphoric acid at pH 6.5 -8.0. ff
SU823416042A 1982-04-05 1982-04-05 Method of producing emerald-colour pigment SU1047941A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU823416042A SU1047941A1 (en) 1982-04-05 1982-04-05 Method of producing emerald-colour pigment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU823416042A SU1047941A1 (en) 1982-04-05 1982-04-05 Method of producing emerald-colour pigment

Publications (1)

Publication Number Publication Date
SU1047941A1 true SU1047941A1 (en) 1983-10-15

Family

ID=21004177

Family Applications (1)

Application Number Title Priority Date Filing Date
SU823416042A SU1047941A1 (en) 1982-04-05 1982-04-05 Method of producing emerald-colour pigment

Country Status (1)

Country Link
SU (1) SU1047941A1 (en)

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