A chemical test kit and method for detecting the presence of impurities in an oil sample is provided. The test kit is comprised of two flexible translucent or transparent containers, each with at least one breakable capsule mounted within it. One of the flexible containers has a means for separating...http://www.google.es/patents/US4873056?utm_source=gb-gplus-sharePatente US4873056 - Chemical test kit for detecting impurities in an oil sample
Chemical test kit for detecting impurities in an oil sample
