CS259557B1 - SpOsob hcntrnly procesu oxidácie 2-merkaptobenztiiazolu peroxidom vodíku - Google Patents

SpOsob hcntrnly procesu oxidácie 2-merkaptobenztiiazolu peroxidom vodíku Download PDF

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CS259557B1
CS259557B1 CS866570A CS657086A CS259557B1 CS 259557 B1 CS259557 B1 CS 259557B1 CS 866570 A CS866570 A CS 866570A CS 657086 A CS657086 A CS 657086A CS 259557 B1 CS259557 B1 CS 259557B1
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Czechoslovakia
Prior art keywords
mercaptobenzothiazole
alcohol
reference solution
oxidation
amount
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CS866570A
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Czech (cs)
English (en)
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CS657086A1 (en
Inventor
Jana Muchova
Lubica Muntagova
Lubomir Kukucka
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Jana Muchova
Lubica Muntagova
Lubomir Kukucka
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Application filed by Jana Muchova, Lubica Muntagova, Lubomir Kukucka filed Critical Jana Muchova
Priority to CS866570A priority Critical patent/CS259557B1/sk
Publication of CS657086A1 publication Critical patent/CS657086A1/cs
Publication of CS259557B1 publication Critical patent/CS259557B1/sk

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Thiazole And Isothizaole Compounds (AREA)

Abstract

Riešenie sa týká spósobu kontroly oxidá- cie 2-merkaptobenztlazolu peroxidom vodí- ka v zmesi alifatického alebo alicyklíckého alkoholu s vodou, s obsahom vody 1 až 30 percent hmot., spektrofotometricky. Po odfiltrovaní suspenzie oxidovanej reakčnej zmesi sa z kvapalne] fázy odpipetované množstvo zriedi porovnávacím roztokom a pomocou UV-spektrofotometra sa stanoví koncentrácia 2-merkaptobenztiazolu z ab- sorbancie pri λ = 300 až 350 nm. Ako porovnávací roztok sa použije alifatický alebo alicyklický alkohol (etylalkohol, izopropyl- alkohol, n-butylalkohol, izobutylalkohol, e- ■tylhexanoil alebo cyklohexanolj, vždy však rovnaký, ako rozpúšťadlo použité pri oxidá- cii. Riešenie je možné využit’ v chemickom priemysle.

Claims (2)

  1. Sp&sob kontroly procesu oxidácie 2-merkaptobenztiazolu peroxidom vodíka v zmesi alifatického alebo alicyklického alkoholu s vodou, s obsahom vody 1 až 30 °/o hmot., spektrofotometricky vyznačujúci sa tým, že po odfiltrovaní suspenzie oxidovanej reakčnej zmesi sa z kvapalnej fázy odpipetované množstvo zriedi porovnávacím roztokom a pomocou UV-spektrofotometra sa stanoví
    VYNALEZU koncentrácia 2-merkaptobenztiazolu z absorbancie pri λ = 300 až 350 nm, pričom ako porovnávací roztok sa použije alifatický alebo allcyklický alkohol zo skupiny zahrňujúcej etylalkohol, izopropylalkohol, n-butylalkohol, izobutylalkohol, etylhexanol a cyklohexanol, vždy však rovnaký ako rozpúšťadlo použité pri oxidačnej reakcii.
    Severografia, n. p. závod 7, Most
    Cena 2,40 Kčs
CS866570A 1986-09-11 1986-09-11 SpOsob hcntrnly procesu oxidácie 2-merkaptobenztiiazolu peroxidom vodíku CS259557B1 (sk)

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CS866570A CS259557B1 (sk) 1986-09-11 1986-09-11 SpOsob hcntrnly procesu oxidácie 2-merkaptobenztiiazolu peroxidom vodíku

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CS866570A CS259557B1 (sk) 1986-09-11 1986-09-11 SpOsob hcntrnly procesu oxidácie 2-merkaptobenztiiazolu peroxidom vodíku

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CS657086A1 CS657086A1 (en) 1988-03-15
CS259557B1 true CS259557B1 (sk) 1988-10-14

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108727302A (zh) * 2017-10-23 2018-11-02 科迈化工股份有限公司 一种环保型n-叔丁基-2-苯并噻唑次磺酰胺（ns）合成工艺

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108727302A (zh) * 2017-10-23 2018-11-02 科迈化工股份有限公司 一种环保型n-叔丁基-2-苯并噻唑次磺酰胺（ns）合成工艺

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