JPS5774094A - Rapid detection of sulfate reducing bactdria in metal working oil - Google Patents
Rapid detection of sulfate reducing bactdria in metal working oilInfo
- Publication number
- JPS5774094A JPS5774094A JP55138335A JP13833580A JPS5774094A JP S5774094 A JPS5774094 A JP S5774094A JP 55138335 A JP55138335 A JP 55138335A JP 13833580 A JP13833580 A JP 13833580A JP S5774094 A JPS5774094 A JP S5774094A
- Authority
- JP
- Japan
- Prior art keywords
- discoloration
- oil
- degree
- testing paper
- formate
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Landscapes
- Apparatus Associated With Microorganisms And Enzymes (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
- Lubricants (AREA)
Abstract
PURPOSE: After a metalworking oil is made strongly acidic, a testing paper containing a chemical sensing hydrogen sulfide, such as lead acetate or iron formate, is exposed to the gas phase of the oil, whereby the number of sulfate reducing bacteria is calculated by the degree of discoloration of the testing paper.
CONSTITUTION: An acid selected from hydrochloric, sulfuric and nitric acids is added to a metalworking oil to make the pH less than 2. A testing paper coated with a chemical sensing hydrogen sulfide such as lead acetate, iron acetate, copper acetate, nickel formate or tin formate is exposed to the gas phase of the acid-treated oil and the degree of the discoloration is observed. Previously, the number of sulfur reducing bacteria in samples is measured by the agar cultivation method and the relation thereof with the degree of the discoloration of the testing paper is put together in a table to use for approximate calculation.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55138335A JPS5817599B2 (en) | 1980-10-03 | 1980-10-03 | Rapid detection method for sulfate-reducing bacteria in metalworking oil |
KR1019810003682A KR860000012B1 (en) | 1980-10-03 | 1981-09-30 | Method for maintaining the effectiveness of metal-working oils |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55138335A JPS5817599B2 (en) | 1980-10-03 | 1980-10-03 | Rapid detection method for sulfate-reducing bacteria in metalworking oil |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5774094A true JPS5774094A (en) | 1982-05-10 |
JPS5817599B2 JPS5817599B2 (en) | 1983-04-08 |
Family
ID=15219497
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55138335A Expired JPS5817599B2 (en) | 1980-10-03 | 1980-10-03 | Rapid detection method for sulfate-reducing bacteria in metalworking oil |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5817599B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017525367A (en) * | 2014-08-20 | 2017-09-07 | スリーエム イノベイティブ プロパティズ カンパニー | Built-in anaerobic culture device for sulfate-reducing microorganisms |
CN109520984A (en) * | 2018-12-06 | 2019-03-26 | 南通中国科学院海洋研究所海洋科学与技术研究发展中心 | The rapid detection method of sulfate reducing bacteria in a kind of briny environment |
-
1980
- 1980-10-03 JP JP55138335A patent/JPS5817599B2/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017525367A (en) * | 2014-08-20 | 2017-09-07 | スリーエム イノベイティブ プロパティズ カンパニー | Built-in anaerobic culture device for sulfate-reducing microorganisms |
US10808215B2 (en) | 2014-08-20 | 2020-10-20 | 3M Innovative Properties Company | Self-contained anaerobic culture device for sulfate-reducing microorganisms |
JP2021052766A (en) * | 2014-08-20 | 2021-04-08 | スリーエム イノベイティブ プロパティズ カンパニー | Built-in anaerobic culture device for sulfate-reducing microorganisms |
CN109520984A (en) * | 2018-12-06 | 2019-03-26 | 南通中国科学院海洋研究所海洋科学与技术研究发展中心 | The rapid detection method of sulfate reducing bacteria in a kind of briny environment |
CN109520984B (en) * | 2018-12-06 | 2021-04-06 | 南通中国科学院海洋研究所海洋科学与技术研究发展中心 | Method for rapidly detecting sulfate reducing bacteria in seawater environment |
Also Published As
Publication number | Publication date |
---|---|
JPS5817599B2 (en) | 1983-04-08 |
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