ASTM E1519-02a

NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: E 1519 – 02a
Standard Terminology Relating to
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Agricultural Tank Mix Adjuvants
This standard is issued under the fixed designation E 1519; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope amphoteric surfactant—a surface-active agent capable of
forming, in aqueous solution, either surface-active anions or
1.1 This terminology is used or is likely to be used in test
surface-active cations depending on the pH.
methods, specifications, guides, and practices related to agri-
anionic surfactant—a surface-active agent in which the active
cultural tank mix adjuvants.
portion of the molecule containing the lipophilic segment
1.2 These definitions are written to ensure that standards
forms exclusively a negative ion (anion) when placed in
related to agricultural tank mix adjuvants are properly under-
aqueous solution.
stood and interpreted.
antifoaming agent—a material used to inhibit or prevent the
2. Referenced Documents formation of foam.
attractant—a material that attracts specific pests.
2.1 ASTM Standards:
buffer or buffering agent—a compound or mixture that, when
D 459 Terminology Relating to Soaps and Other Deter-
2
contained in solution, causes the solution to resist change in
gents
pH. Each buffer has a characteristic limited range of pH over
D 483 Test Method for Unsulfonated Residue of Petroleum
3
which it is effective.
Plant Spray Oils
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canopy penetrating agent—an adjuvant that increases the
D 609 Terminology Relating to Pesticides
penetration of the spray material into the crop canopy. See
D 2140 Test Method for Carbon-Type Composition of In-
5
deposition aid.
sulating Oils of Petroleum Origin
cationic surfactant—a surface-active agent in which the
3. Terminology
active portion of the molecule containing the lipophilic
segment forms exclusively a positive ion (cation) when
3.1 Terms and Definitions:
placed in aqueous solution.
absorption—a process in which one material (the absorbent)
colorant—a material used to alter the color of the tank mix.
takes in and retains another (the absorbate).
compatibility agent—a surface-active agent that allows simul-
acidifier—a material that can be added to spray mixtures to
taneous application of liquid fertilizer and agrichemical, or
lower the pH.
two or more agrichemical formulations, as a uniform tank
activator—a material that increases the biological efficacy of
mix, or improves the homogeneity of the mixture and the
agrichemicals.
uniformity of the application.
active ingredient—a component of the formulation that pro-
crop oil concentrate—an emulsifiable petroleum oil-based
duces a specific effect for which the formulation is designed.
product containing 15 to 20 % w/w surfactant and a mini-
adjuvant—a material added to a tank mix to aid or modify the
mum of 80 % w/w phytobland oil.
action of an agrichemical, or the physical characteristics of
crop oil (emulsifiable)—an emulsifiable petroleum oil-based
the mixture.
product containing up to 5 % w/w surfactant and the
alkalinity agent—a material that can be added to the spray
remainder of a phytobland oil.
mixture to raise the pH.
crop oil (non-emulsifiable)—See phytobland oil.
defoaming agent—a material that eliminates or suppresses
foam in the spray tank
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This terminology is under the jurisdiction of ASTM Committee E35 on
deposition aid—a material that improves the ability of ag-
Pesticides and Alternative Control Agentsand are the direct responsibility of
richemical sprays to deposit on targeted surfaces.
Subcommittee E35.22on Pesticide Formulation and Application Systems.
dormant oil—a horticultural spray oil applied during the
Current edition approved Nov. 10, 2002. Published January 2003. Originally
approvd in 1993. Last previous edition approved in 2002 as E 1519 – 02.
dormant phase of the targeted plant. (See horticultural
2
Annual Book of ASTM Standards, Vol 15.04.
spray oil.)
3
Annual Book of ASTM Standards, Vol 05.01.
4 drift control agent—a material used in liquid spray mixtures
Annual Book of ASTM Standards, Vol 11.05.
5
Annual Book of ASTM Standards, Vol 10.03. to reduce spray drift.
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NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
E 1519 – 02a
emulsifier—a surfactant that promotes the suspension of one than 60 %. D 2140
immiscible liquid in another. penetrant—a material that enhanc
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