Method Title Proposal Remarks Comments After 54. CIPAC .

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Review of CIPAC MT-methods october 2010 final pab revMethodTitleProposalCIPACMT 415.1 CIPAC methodobsolteRemarksComments after 54. CIPAC MeetingDecision CIPACwas already obsoletesuperseded by MT 184agree1) no longer supported (should not beobsolete)2) Should be "no longer supported" for it ismentioned in existing FAO specswas already obsoleteno longer supportedMT 16Material insoluble in dichlorodifluoromethaneno longersupported1) very complicated method. Not many labs no longer supportedwould be able to do it!2) agreeMT 19Phosphate buffer solutionsnot longersupported1) not needed method2) agreeno longer supportedMT 20Stability of dilute emulsionobsolte1) old method. New MT 36.32) no longer supported (should not beobsolete).no longer supportedMT 21Silica for chromatographynot longersupportednot longersupported1) not needed method2) agree1) not needed method2) agreeno longer supported21.2 Sorbisilâ M 60not longersupported1) not needed method2) agreeno longer supported21.3 Florisilnot longersupported1) not needed method2) agreeno longer supported21.1 Silicasuperseded by MT 36.3no longer supportedMT 24Phosphorus(V) oxideno longersupported1) reference in MT 17.3. Commerciallyavailable.2) agreeno longer supportedMT 25Sand for germination testsno longersupported1) obsolete method.2) agreeno longer supportedMT 26John Innes compostno longersupported1) obsolete method.2) agreeno longer supported26.1 Seeding Compost - with fertilizerno longersupported1) obsolete method.2) agreeno longer supported26.2 Seeding Compost - without fertilizerno longersupported1) obsolete method.2) agreeno longer supportedno longersupported1) useful simple method. No instrument isneeded. Some skill in organic preparativechemistry is needed.2) agreeno longer supportedMT 28Dimedone derivativeFurther action /commentpage 1 of 12

Review of CIPAC MT-methods october 2010 final pab revMethodTitle30.1 Karl Fischer methodProposalCIPACobsolteRemarksComments after 54. CIPAC MeetingDecision CIPACsuperseded by MT 30.51) obsolete method. Unstable chemicals2) agreeobsolete30.3 Free water - 'Speedy' methodno longersupported1) obsolete method2) agreeno longer supported30.4 Water in acetone solutionsno longersupported1) obsolete. Superseded by MT 30.5 withspecial solvents and titrants.2) agreeno longer supportedMT 33Tap densityobsolteMT 34Dustability tests after tropicalstorageno longersupportedsuperseded by MT 186.Fig 19 needs to beincluded in MT 186 or MT58.4.1) obsolete method. Nowdays commercial Tap no longer supportedDensity Testers which fulfile USP, EP and ASTMrequirements are available on the markete.g.Sotax TD 12) no longer supported, Fig 19 needs to beincluded in MT 186 or MT 58.4.(should not be obsolete)1) obsoleteno longer supported2) agree36.1 Five per cent v/v oil phaseobsoltesuperseded by MT 36.31) superseded by MT 36.3no longer supported2) no longer supported (should not be obsolete3) Should be "no longer supported" for it ismentioned in existing FAO specs36.2 1 per cent v/v oil phaseobsolteditto1) no longer supported (chould not be obsolete) no longer supported2) "Should be ""no longer supported"" for it ismentioned in existing FAO specs(not checked in this case)"MT 37Isolation of active ingredient37.1 Extraction with acetone37.2 Extraction with petroleum spirit37.3 Removal of solvents by distillationMT 38Organic chlorine38.1 Potassium - xylene methodnot longersupportednot longersupportednot longersupportednot longersupportednot longersupportednot longersupported1) obsolete methods.2) agree1) obsolete2) agree1) obsolete2) agree1) obsolete2) agree1) obsolete methods.2) agree1) obsolete2) agreeFurther action /commentIs is mentioned in validFAO specifications(checked by CIPAC)no longer supportedno longer supportedno longer supportedno longer supportedno longer supportedno longer supportedpage 2 of 12

Review of CIPAC MT-methods october 2010 final pab revMethodTitle38.2 Stepanov method38.3 Oxygen flask method39.1 Emulsifiable concentrates andsolutions39.2 Aqueous solutionsMT 40ProposalCIPACnot longersupportednot d by MT 39.3Water content and suspendedsolids in technical esters ofphenoxyalkanoic acidsParticle size of copper andsulphur productsno longersupportedoboletesuperseded by MT 18742.1Formulations without carriersoboleteditto42.2Formulations containing carriersoboletedittoMT 43Particle size distribution of DDTwettable powdersoboleteditto46.1 General methodobsoltesuperseded by MT 46.347.1 Persistent foamobsoletesuperseded my MT 47,2MT 42MT 50Alumina58.1 Samplingno longersupportednot longersupportedComments after 54. CIPAC MeetingDecision CIPACFurther action /comment1) obsoleteno longer supported2) agree1) obsoleteno longer supported2) agree1) superseded by MT 39.3no longer supported2) no longer supported (should not be obsolete)3) Should be "no longer supported" for it ismentioned in existing FAO specs1) superseded by MT 39.32) Should be "no longer supported" for it ismentioned in existing FAO specsno longer supported1) for MT 40.1 water content is alternative MT30.5. MT 40.2 is obsolete2) agree1) obsolete method. MT 187, instrumentscommercially available2) agree1) obsolete method. MT 187, instrumentscommercially available2) agree1) obsolete method. MT 187, instrumentscommercially available2) agree1) obsolete method. MT 187, instrumentscommercially available2) agree1) obsolete2) agree3) Should be "no longer supported" for it ismentioned in existing FAO specs1) obsolete2) Should be "no longer supported" for it ismentioned in existing FAO specs1) obsolete method2) agree1) MT 166 looks aplicable to solid formulations.2) agreeno longer supportedobsoleteobsoleteobsoleteobsoleteno longer supportedno longer supportedno longer supportedno longer supportedpage 3 of 12

Review of CIPAC MT-methods october 2010 final pab revMethodTitle58.2 Preparation of sample58.3 Sieve analysisMT 59Sieve analysisProposalCIPACnot longersupportednot longersupportedobsoleteRemarkssuperseded by MT MT170 and MT 187,respectivelyComments after 54. CIPAC MeetingDecision CIPAC1) 18 C is not laboratory temperature2) agreeno longer supported1) obsolete, better MT 1702) agree1) no longer supported (should not beobsolete)2) Should be "no longer supported" for it ismentioned in existing FAO specs(not checked)no longer supportedno longer supported59.1 Dry sieving - dustsditto1) obsolete, better MT 170no longer supported2) no longer supported (should not be obsolete)59.2 Granular productsditto1) obsolete, better MT 170no longer supported2) no longer supported (should not be obsolete)59.3 Wet sievingobsoletesuperseded by MT 1851) superseded by MT 185no longer supported2) no longer supported (should not be obsolete)59.4 Sieve test for granular materialsobsoletesuperseded by MT 1701) similar to MT 58.3. obsolete , better MT 170 no longer supported2) no longer supported (should not be obsolete)obsoletesuperseded by MT 1791) method without quantitative evaluation. MT179 looks applicable2) agreeagreeagree1) obsolete method2) agreeobsoleteMT 60Solubility of the alkali metal saltsof phenoxyalkanoic acid herbicidesand their solid formulationsMT 62MT 6364.1 HCH technicalwas already obsoletewas already obsoleteobsoleteFurther action /commentIs is mentioned in validFAO specifications(checked by CIPAC)was already obsoletewas already obsoleteobsolete64.2 HCH dusts and dispersible powdersobsolete1) obsolete method2) agreeobsolete64.3 HCH emulsifiable concentrates andsolutionsobsolete1) obsolete method2) agreeobsolete64.4 DDT technicalobsoleteWHO specification only1) obsolete methodchromatographic methods 2) agreeobsoletepage 4 of 12

Review of CIPAC MT-methods october 2010 final pab revMethodTitle64.5 DDT dusts and wettable powders64.6 DDT emulsifiable concentrates andsolutionsProposalCIPACobsoleteRemarksComments after 54. CIPAC MeetingDecision CIPAC1) obsolete method2) agreeobsoleteobsolete1) obsolete method2) agreeobsolete1) obsolete method2) agreeno longer supported1) superseded by MT 1912) agreeobsoleteMT 65Organic chlorine in pesticides inaqueous emulsionsno longersupportedMT 66Free acidity of phenoxyalkanoicestersobsoleteMT 67Fat extraction apparatusno longersupported1) obsolete method2) agreeno longer supportedMT 68Total chloridesno longersupported1) obsolete method2) agreeno longer supported68.1 Chlorides in phenoxyalkanoic acidsno longersupported1) obsolete method2) agreeno longer supported68.2 Chlorides in technical mercurialcompoundsno longersupported1) obsolete method2) agreeno longer supportedwas already obsoleteagreewas already obsoleteobsoletewas already obsoletesuperseded by MT 75,375.1 General methodobsoletesuperseded by MT 75,3agreewas already obsolete1) obsolete. The colour of the sample canobsoleteinfluence the colour of resulting mixture2) agree1) obsolete, buffers commercially available obsolete2) agree75.2 pH of aqueous dispersionsobsoletesuperseded by MT 75,3MT 70MT 72MT 74Neutralitysuperseded by MT 1911) obsolete2) agreeobsolete1) obsolete method2) agreeno longer supported1) epichlorohydrin is a precursor in thesynthesis of many organic compounds.Does agrochemistry need this compound?2) agreeobsoleteMT 76Solubility in aqueous triethanolamineno longersupportedMT 77Determination of 1-chloro-2,3epoxypropaneobsoleteMT 79Acid washno longersupported1) obsolete method2) agreeno longer supportedMT 80Residue on evaporationno longersupported1) obsolete method2) agreeno longer supportednot quoted in an existingFAO specificationFurther action /commentpage 5 of 12

Review of CIPAC MT-methods october 2010 final pab revMethodTitle80.1 Low boiling products80.2 CresolsProposalCIPACno longersupportedRemarksno longersupportedDecision CIPAC1) obsolete method2) agreeno longer supported1) obsolete method2) agreeno longer supported1) I agree. MT 191 is a new one2) agreeobsolete1) Does any specifications need thismethod?2) agreeno longer supportedFurther action /commentMT 81Soluble alkalinityobsoleteMT 82Soluble chloridesno longersupportedMT 83Seed adhesion test for powdersfor seed treatmentobsoletesuperseded by MT 1941) MT 194 superseded this method2) no longer supported (should not beobsolete)no longer supported83.1 Cereal seedsobsoletesuperseded by MT 1951) obsolete2) no longer supported (should not beobsolete)3) MT 194no longer supportedsuperseded by MT 19483.2 Pea seedsobsoletesuperseded by MT 1961) obsolete2) no longer supported (should not beobsolete)3) MT 194no longer supportedsuperseded by MT 194was already obsoleteagree1) obsolete2) agree1) obsolete2) agree1) obsolete2) agree1) obsolete2) agree1) obsolete2) agreeagreeagree1) obsolete2) agreeagreewas already obsoleteno longer supportedMT 8586.1 For GLC86.2 For Partition ChromatographyMT 87Materials soluble in chloroform87.1 Hot solution87.2 Cold solutionMT 88MT 89MT 90MT 91superseded by MT 191Comments after 54. CIPAC Meetingno longersupportedno longersupportedno longersupportedno longersupportedno longersupportedwas already obsoletewas already obsoleteMaterials soluble in tolueneno longersupportedwas already obsoleteno longer supportedno longer supportedno longer supportedno longer supportedwas already obsoletewas already obsoleteno longer supportedwas already obsoletepage 6 of 12

Review of CIPAC MT-methods october 2010 final pab revMethodTitleProposalCIPACRemarksComments after 54. CIPAC MeetingDecision CIPACwas already obsolete1) old TLC and PC chromatography.Obsolete2) agreewas already obsolete1) old TLC and PC chromatography.Obsolete2) agreeno longer supported1) FAO specification Copper oxychloride WP2) agreeno longer supportedno longersupported1) mercurial chlorides are not nowdaysused as A.I.2) agreeno longer supportedno longersupported1) we do not need it2) agreeno longer supportedagreeagree1) we do not need it2) agreewas already obsoletewas already obsoleteno longer supportedno longersupported1) obsolete methods.2) agreeno longer supported105.1 Technical compoundsno longersupported1) obsolete methods.2) agreeno longer supported105.2 Estersno longersupported1) obsolete methods.2) agreeno longer supportedagree1) we do not need it2) agreewas already obsoleteno longer supportedMT 96MT 97Separation and identification ofherbicides98.2 Atomic absorption spectophotometric method100.1 In mercurialsMT 101Heptane-insoluble materials in aldrinMT 102MT 103104.1 Organomercury compoundsMT 105Preparation of nitrogen complexesof nitro compoundsno longersupportedobsoletenot quoted in an existingFAO specificationwas already obsoletewas already obsoletedittoMT 106108.1 Ammonium saltditto108.2 Sodium saltditto1) we do not need it2) agreeno longer supported108.3 Triethanolamine saltditto1) we do not need it2) agreeno longer supportedno longersupported1) we do not need it2) agreeno longer supportedagreeagree1) obsolete2) agreewas already obsoletewas already obsoleteno longer supportedMT 109MT 111MT 112MT 113Acid content of dinitro compoundswas already obsoletewas already obsoletewas already obsoleteSilanization of gas chromatographiccolumnsno longersupportedFurther action /commentIs is mentioned in validFAO specifications(checked by CIPAC)page 7 of 12

Review of CIPAC MT-methods october 2010 final pab revMethodTitle113.1 Off column113.2 On columnMT 114Corrections for interfering peaksProposalCIPACno longersupportedno longersupportedno longersupportedMT 115MT 116116.3116.4116.5116.6MT 117Comments after 54. CIPAC MeetingDecision CIPAC1) obsolete2) agree1) obsolete2) agree1) obsolete2) agreeno longer supportedno longer supportedno longer supportedno longersupportedno longersupportedDeposition of mercury on copperno longersupportedReduction with tin(II) chlorideno longersupportedPrecipitation of mercury(II) iodideno longersupportedPrecipitation of mercury(II) oxideno longerwith sodium hydroxidesupportedPrecipitation of ammonium mercury(II) no longerchloride with ammonia solutionsupported1) no longer need it2) agree1) no longer need it2) agree1) no longer need it2) agree1) no longer need it2) agree1) no longer need it2) agree1) no longer need it2) agree1) no longer need it2) agreeTest for chloride1) general simple methods. Tests can be useful no longer supportedin lab.2) agree1) general method. Test can be useful in lab.no longer supported2) agreeno longersupported117.1 Liberation of chlorineditto117.2 Precipitation of silver chlorideditto117.3 Formation of chromyl dichloride(CrOCl2)ditto118.1 Liberation of iodineno longersupportedFurther action /commentwas already obsoletewas already obsoleteMercury(II) salts - characteristicreactions116.1 Precipitation of sulphide116.2Remarksno longer supportedno longer supportedno longer supportedno longer supportedno longer supportedno longer supportedno longer supported1) useful test (qualitative laboratory test forno longer supportede.g. chlormequat chloride)2) agree1) general method. Test can be useful in lab.no longer supportedCrO2Cl2 is correct formula.2) agree1) general simple methods. Tests can be useful no longer supportedin lab.2) agreepage 8 of 12

Review of CIPAC MT-methods october 2010 final pab revMethodTitleRemarksComments after 54. CIPAC Meetingwas already obsolete1) general simple methods. Tests can bein lab.2) agree1) general simple methods. Tests can bein lab.2) agree1) general simple methods. Tests can bein lab.2) agree1) general simple methods. Tests can bein lab.2) agreeagreeno longer supportedMT 122was already obsoletegeneral simple methods. Tests can be useful inlab.1) general simple methods. Tests can be usefulin lab.2) agree1) general simple methods. Tests can be usefulin lab.2) agree1) general simple methods. Tests can be usefulin lab.2) agree1) general simple methods. Tests can be usefulin lab.2) agreeagreeMT 123was already obsoleteagreewas already obsoleteMT 124was already obsoleteagreewas already obsoleteMT 125was already obsoleteagreewas already obsoletewas already obsoleteagree1) obsolete2) agreewas already obsoleteno longer supported1) obsolete2) agreeno longer supported118.2 Precipitation of silver iodideProposalCIPACno longersupported118.3 Liberation of iodineno longersupported118.4 Precipitation of mercury(II) iodideno longersupported118.5 Precipitation of copper(I) iodideno longersupportedMT 119MT 120Tests for phosphates121.1 Preparation of sampleno longersupportedno longersupported121.2 Precipitation of silicic acid andevaluation of ammoniano longersupported121.3 Formation of silicic acid gelno longersupported121.4 Precipitation of silver silicateno longersupportedMT 128MT 129Gas liquid chromatography ofno longerphenoxyalkanoic and other herbicides supported129.1 Preparation of solutions formethylationno longersupportedDecision CIPACFurther action /commentuseful no longer supporteduseful no longer supporteduseful no longer supporteduseful no longer supportedwas already obsoleteno longer supportedno longer supportedno longer supportedno longer supportedwas already obsoletepage 9 of 12

Review of CIPAC MT-methods october 2010 final pab revMethodTitle129.2 Methylation of acids129.3 Gas chromatographyMT 131MT 132MT 133MT 134ProposalCIPACno longersupportedno longersupportedRemarksComments after 54. CIPAC MeetingDecision CIPACno longer supportedwas already obsoletewas already obsolete1) obsolete2) agree1) obsolete2) agreeagreeagree1) obsolete2) agree1) obsolete2) agreeno longer supportedDetermination of nitrophenols no longertitanium(III) chloride methodsupportedPreparation of 2-pyridylamine (2-amino- no longerpyridine) complexes of nitrosupportedcompoundsno longer supportedwas already obsoletewas already obsoleteno longer supportedno longer supportedMT 138was already obsolete1) obsolete2) agree1) obsolete2) agreeagreeagree1) obsolete2) agreeagreeMT 140MT 141was already obsoletenot quoted in an existingFAO specificationagree1) obsolete2) agreewas already obsoleteobsolete1) obsolete2) agreeno longer supportedagreeagree1) obsolete2) agree1) obsolete2) agree1) MT 194 superseded this method2) agreewas already obsoletewas already obsoleteno longer supportedagreeno longer supported134.1 Technical nitrophenols134.2 Technical nitrophenol estersMT 135MT 136MT 137MT 142MT 143MT 144MT 145MT 146MT 147MT 149no longersupportedno longersupportedwas already obsoletewas already obsoleteIdentification of urea herbicidesno longersupportedDetermination of free amines in ureaherbicidesobsoleteDetection and identification ofimpuritiesin substituted phenylurea herbicidesno longersupportedwas already obsoletewas already obsoleteActive ingredients containingphosphorusOil content' of emulsifiable pesticideconcentratesRetention test for seed treatmentpowders used on cereal seedsno longersupportedno longersupportedno longersupportedPacking columns for gaschromatographyno longersupportedFurther action /commentno longer supportedwas already obsoletewas already obsoleteno longer supportedwas already obsoleteno longer supportedno longer supportedpage 10 of 12

Review of CIPAC MT-methods october 2010 final pab revMethodTitleProposalCIPACMT 150MT 152Identification of amines155.2 Electrochemical detector methodMT 156MT 158RemarksComments after 54. CIPAC MeetingDecision CIPACwas already obsolete1) not needed2) agree1) obsolete2) agree1) obsolete2) agreeagree1) Simple nice method. Is mercury stll allowedto used for seed treatment?2) agree1) obsolete method. Nowdays commercial TapDensity Testers which fulfile USP, EP and ASTMrequirements are available on the markete.g.Sotax TD 12) no longer supported (should not be obsolete)was already obsoleteno longersupportedno longersupportedwas already obsoleteDetermination of mercury on treatedseedsno longersupportedMT 159Pour and tap bulk density of granularmaterialsobsolteMT 161Suspensibility of aqueous suspension not longerconcentratessupported162.2 Paper chromatographic methodMT 167Wet sieving after dispersion of waterdispersible granulesMT 168Determination of the suspensionstability of water dispersible granulesno longersupportedobsolteobsoltesuperseded by MT 186no longer supportedno longer supportedwa

15.1 CIPAC method obsolte superseded by MT 184 1) no longer supported (should not be obsolete) 2) Should be "no longer supported" for it is mentioned in existing FAO specs no longer supported MT 16 Material insoluble in dichloro-difluoromethane no longer supported 1) very complicated method. Not many labs would be able to do it! 2) agree no longer supported MT 19 Phosphate buffer solutions not .

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