1、Designation:E151915bStandard Terminology Relating toAgricultural Tank Mix Adjuvants1This standard is issued under the fixed designation E1519;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in paren
2、theses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This terminology is used or is likely to be used in testmethods,specifications,guides,and practices related to agri-cultural tank mix adjuvants.1.2 These
3、definitions are written to ensure that standardsrelated to agricultural tank mix adjuvants are properly under-stood and interpreted.2.Referenced Documents2.1 ASTM Standards:2D459 Terminology Relating to Soaps and Other DetergentsD483 Test Method for Unsulfonated Residue of PetroleumPlant Spray OilsE
4、609 Terminology Relating to PesticidesD2140 Practice for Calculating Carbon-Type Compositionof Insulating Oils of Petroleum Origin3.Terminology3.1 Terms and Definitions:absorption,na process in which one material(the absorbent)takes in and retains another(the absorbate).acidifier,na material that ca
5、n be added to spray mixtures tolower the pH.activator,na material that increases the biological efficacy ofagrichemicals.active ingredient,na component of the formulation thatproduces a specific effect for which the formulation isdesigned.adjuvant,na material added to a tank mix to aid or modifythe
6、action of an agrichemical,or the physical characteristicsof the mixture.alkalinity agent,na material that can be added to the spraymixture to raise the pH.amphoteric surfactant,na surface-active agent capable offorming,in aqueous solution,either surface-active anions orsurface-active cations dependi
7、ng on the pH.anionic surfactant,nsurface-active agent in which thehydrophilic portion of the molecule forms exclusively anegative ion(anion)when placed in aqueous solution.antifoaming agent,na material used to inhibit or prevent theformation of foam.attractant,na material that attracts specific pest
8、s.basic blend,na combination of wetting agent and bufferingagent that maintains a pH of the spray mixture greater than7.buffer or buffering agent,na compound or mixture that,when contained in solution,causes the solution to resistchange in pH.Each buffer has a characteristic limited rangeof pH over
9、which it is effective.canopy penetrating agent,nan adjuvant that increases thepenetration of the spray material into the crop canopy.Seedeposition aid.cationic surfactant,na surface-active agent in which thehydrophilic portion of the molecule forms exclusively apositive ion(cation)when placed in aqu
10、eous solution.colorant,na material used to alter the color of the tank patibility agent,na surface-active agent that allowssimultaneousapplicationofliquidfertilizerandagrichemical,or two or more agrichemical formulations,asa uniform tank mix,or improves the homogeneity of themixture and the uniformi
11、ty of the application.crop oil concentrate,nan emulsifiable petroleum oil-basedproduct containing 15 to 20%w w surfactant and a mini-mum of 80%w/w phytobland oil.crop oil(emulsifiable),nan emulsifiable petroleum oil-based product containing up to 5%w w surfactant and theremainder of a phytobland oil
12、.crop oil(non-emulsifiable),nSee phytobland oil.1This terminology is under the jurisdiction of ASTM Committee E35 onPesticides,Antimicrobials,and Alternative Control Agents and is the directresponsibility of Subcommittee E35.22 on Pesticide Formulations and DeliverySystems.Current edition approved O
13、ct.1,2015.Published October 2015.Originallyapproved in 1993.Last previous edition approved in 2015 as E1519 15a.DOI:10.1520/E1519-15B.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume informat
14、ion,refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 defoaming agent,na material that eliminates or suppressesfoam in the spray tankdeposition aid,na material that improves th
15、e ability ofagrichemical sprays to deposit on targeted surfaces.dormant oil,na horticultural spray oil applied during thedormant phase of the targeted plant.(See horticulturalspray oil.)drift control agent,nSee drift reduction agent.drift reduction agent,na material used in liquid spraymixtures to r
16、educe driftable fines.drift retardant,nSee drift reduction agent.driftable fines,nthe percent volume of spray droplet sizedistribution that is under 105 microns.emulsifier,na surfactant that promotes the suspension of oneimmiscible liquid in another.esterified seed oil,na modified seed oil wherein the fattyacids are esterified with an alcohol(such as methyl or ethyl).evaporation reduction agent,na material that reduces theevaporation rate of a spray mix during or after application,orboth.extende
