238000004458 analytical method Methods 0.000 description 1.125000001931 aliphatic group Chemical group 0.000 description 1.239000004721 Polyphenylene oxide Substances 0.000 description 1.238000006243 chemical reaction Methods 0.000 description 4.239000000758 substrate Substances 0.000 abstract description 3.238000004642 transportation engineering Methods 0.000 claims 1.239000000203 mixture Substances 0.000 claims abstract description 18.-1 borate ester Chemical class 0.000 claims abstract description 27.239000003153 chemical reaction reagent Substances 0.000 claims abstract description 31.238000004737 colorimetric analysis Methods 0.000 title description 2.239000012530 fluid Substances 0.000 title claims abstract description 96.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority claimed from US12/263,987 external-priority Application filed by Individual filed Critical Individual Publication of CA2737248A1 publication Critical patent/CA2737248A1/en Application granted granted Critical Publication of CA2737248C publication Critical patent/CA2737248C/en Status Active legal-status Critical Current Anticipated expiration legal-status Critical Links Original Assignee Individual 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 or warranty as to the accuracy of the list.) Petty Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Active Application number CA2737248A Other languages French ( fr) Google Patents Colorimetric test for brake fluidÄownload PDF Info Publication number CA2737248C CA2737248C CA2737248A CA2737248A CA2737248C CA 2737248 C CA2737248 C CA 2737248C CA 2737248 A CA2737248 A CA 2737248A CA 2737248 A CA2737248 A CA 2737248A CA 2737248 C CA2737248 C CA 2737248C Authority CA Canada Prior art keywords brake fluid dot color borate ester colorimetric reagent Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. ![]() Google Patents CA2737248C - Colorimetric test for brake fluid ![]() CA2737248C - Colorimetric test for brake fluid
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