RO86331B1 - Process for preparing copper hydroxide with fungicidal effect - Google Patents

Process for preparing copper hydroxide with fungicidal effect

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Publication number
RO86331B1
RO86331B1 RO109257A RO10925782A RO86331B1 RO 86331 B1 RO86331 B1 RO 86331B1 RO 109257 A RO109257 A RO 109257A RO 10925782 A RO10925782 A RO 10925782A RO 86331 B1 RO86331 B1 RO 86331B1
Authority
RO
Romania
Prior art keywords
maximum
copper hydroxide
fungicidal effect
reaction
preparing copper
Prior art date
Application number
RO109257A
Other languages
Romanian (ro)
Other versions
RO86331A2 (en
Inventor
Mihaela Ulmanu
Constanta Teodorescu
Viorel Morar
Valerian Ioan Raileanu
Original Assignee
Institutul De Cercetare
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 Institutul De Cercetare filed Critical Institutul De Cercetare
Priority to RO109257A priority Critical patent/RO86331B1/en
Publication of RO86331A2 publication Critical patent/RO86331A2/en
Publication of RO86331B1 publication Critical patent/RO86331B1/en

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Abstract

Inventia se refera la un porocedeu de obtinere a hidroxidului de cupru fungicid, conform caruia o solutie de clorura cuprica cu un continut în cupru de circa 50 g/l la care s-a adaugat în prealabil, o cantitate de maximum 5% sulfat de magneziu ca agent stabilizator, se supune reactiei, sub agitare cu o solutie de hidroxid de sodiu în cantitate corespunzatoare asigurarii unui exces de circa 5% fasp de stoichiometrie, la un pH de 12...12,7 la temperatura de maximum 25 degree C si la un timp maxim de reactie de 10 min, reactantii fiind introdusi simultan în vasul de reactie; precipitatul obtinut dupa filtrarea suspensiei de hidroxid de cupru rezultate, fiind apoi spalat la pH=7 prin recuplare cu apa si în final amestecat cu maximum 7% agent de conditionare.The invention relates to a fungicidal cuprous hydroxide obtained according to which a cupric chloride solution having a copper content of about 50 g / l to which has previously been added a maximum of 5% of magnesium sulfate as an agent stabilizer is subjected to the reaction with stirring with a sodium hydroxide solution in an amount sufficient to provide an excess of about 5% by stoichiometry at a pH of 12 ... 12.7 at a temperature of not more than 25 ° C and at a a maximum reaction time of 10 minutes, the reactants being simultaneously introduced into the reaction vessel; the precipitate obtained after filtration of the resulting copper hydroxide slurry was then washed at pH = 7 by re-coupling with water and finally mixed with a maximum of 7% conditioning agent.

RO109257A 1982-12-08 1982-12-08 Process for preparing copper hydroxide with fungicidal effect RO86331B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO109257A RO86331B1 (en) 1982-12-08 1982-12-08 Process for preparing copper hydroxide with fungicidal effect

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO109257A RO86331B1 (en) 1982-12-08 1982-12-08 Process for preparing copper hydroxide with fungicidal effect

Publications (2)

Publication Number Publication Date
RO86331A2 RO86331A2 (en) 1985-03-15
RO86331B1 true RO86331B1 (en) 1985-03-31

Family

ID=20112334

Family Applications (1)

Application Number Title Priority Date Filing Date
RO109257A RO86331B1 (en) 1982-12-08 1982-12-08 Process for preparing copper hydroxide with fungicidal effect

Country Status (1)

Country Link
RO (1) RO86331B1 (en)

Also Published As

Publication number Publication date
RO86331A2 (en) 1985-03-15

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