RO86489B1 - METODA DE OBTINERE A UNEI HîRTII INDICATOR UNIVERSAL DE PH - Google Patents

METODA DE OBTINERE A UNEI HîRTII INDICATOR UNIVERSAL DE PH

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Publication number
RO86489B1
RO86489B1 RO110759A RO11075983A RO86489B1 RO 86489 B1 RO86489 B1 RO 86489B1 RO 110759 A RO110759 A RO 110759A RO 11075983 A RO11075983 A RO 11075983A RO 86489 B1 RO86489 B1 RO 86489B1
Authority
RO
Romania
Prior art keywords
preparing
universal
indicating paper
universal indicating
blue
Prior art date
Application number
RO110759A
Other languages
English (en)
Other versions
RO86489A2 (ro
Inventor
Liviu Roman
Rodica Craciunescu
Eugenia Florean
Corneliu Crihalmeanu
Victor Sipos
Silviu Filimon
Iulia Pintea
Original Assignee
Liviu Roman
Rodica Craciunescu
Eugenia Florean
Corneliu Crihalmeanu
Victor Sipos
Silviu Filimon
Iulia Pintea
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 Liviu Roman, Rodica Craciunescu, Eugenia Florean, Corneliu Crihalmeanu, Victor Sipos, Silviu Filimon, Iulia Pintea filed Critical Liviu Roman
Priority to RO110759A priority Critical patent/RO86489B1/ro
Publication of RO86489A2 publication Critical patent/RO86489A2/ro
Publication of RO86489B1 publication Critical patent/RO86489B1/ro

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  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)

Abstract

Metoda de obtinere a unei hîrtii indicator universal de pH, conform inventiei, se caracterizeaza prin aceea ca se prepara un emstec de indicatori continînd 37,5-40 g albastru de bromtimol, 38-41 metiloranj, 78-81 g fenolftaleina, 9-11 g rosu de alizarina 58-62 g albastru de timol, care se dizolva în 100 l solutie apoasa de etanol, de concentratie 70% cu care se impregneaza hîrtia de filtru calitativa prin imersare, uscare si reimersare.
RO110759A 1983-04-23 1983-04-23 METODA DE OBTINERE A UNEI HîRTII INDICATOR UNIVERSAL DE PH RO86489B1 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO110759A RO86489B1 (ro) 1983-04-23 1983-04-23 METODA DE OBTINERE A UNEI HîRTII INDICATOR UNIVERSAL DE PH

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO110759A RO86489B1 (ro) 1983-04-23 1983-04-23 METODA DE OBTINERE A UNEI HîRTII INDICATOR UNIVERSAL DE PH

Publications (2)

Publication Number Publication Date
RO86489A2 RO86489A2 (ro) 1985-03-15
RO86489B1 true RO86489B1 (ro) 1985-03-30

Family

ID=20112983

Family Applications (1)

Application Number Title Priority Date Filing Date
RO110759A RO86489B1 (ro) 1983-04-23 1983-04-23 METODA DE OBTINERE A UNEI HîRTII INDICATOR UNIVERSAL DE PH

Country Status (1)

Country Link
RO (1) RO86489B1 (ro)

Also Published As

Publication number Publication date
RO86489A2 (ro) 1985-03-15

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