发明名称 |
METHOD FOR DETERMINATION OF ALKALI NUMBER OF MOTOR OILS |
摘要 |
estimate of quality of motor oils, applicable for determination of their fitness in operation of equipment. SUBSTANCE: the oil drop analysis is introduced in a mixture consisting of 71±1% of distilled water and 29+-1% of solvent; the solvent consists of 50% of toluene and 50% of isopropanol; filter tape "blue tape" impregnated by -0.5-percent aqueous solution of bromtymol blue is used as an indicator. EFFECT: enhanced accuracy and simplified analysis. |
申请公布号 |
RU2183018(C1) |
申请公布日期 |
2002.05.27 |
申请号 |
RU20010116755 |
申请日期 |
2001.06.15 |
申请人 |
J NAUCHNO-ISSLEDOVATEL'SKIJ I PROEKTNO-TEKHNOLOGICHESKIJ INSTITUT PO ISPOL'ZOVANIJU TEKHNIKI I NEFTE |
发明人 |
OSTRIKOV V.V.;MATYTSIN G.D. |
分类号 |
G01N31/22;G01N21/78;G01N33/28;G01N33/30 |
主分类号 |
G01N31/22 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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