ASTM E1519-00
(Terminology)Standard Terminology Relating to Agricultural Tank Mix Adjuvants
Standard Terminology Relating to Agricultural Tank Mix Adjuvants
SCOPE
1.1 This terminology is used or is likely to be used in test methods, specifications, guides, and practices related to agricultural tank mix adjuvants.
1.2 These definitions are written to ensure that standards related to agricultural tank mix adjuvants are properly understood and interpreted.
General Information
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Standards Content (Sample)
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Designation: E 1519 – 00
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 antifoaming agent—a material used to inhibit or prevent the
formation of foam.
1.1 This terminology is used or is likely to be used in test
attractant—a material that attracts specific pests.
methods, specifications, guides, and practices related to agri-
buffer or buffering agent—a compound or mixture that, when
cultural tank mix adjuvants.
contained in solution, causes the solution to resist change in
1.2 These definitions are written to ensure that standards
pH. Each buffer has a characteristic limited range of pH over
related to agricultural tank mix adjuvants are properly under-
which it is effective.
stood and interpreted.
canopy penetrating agent—an adjuvant that increases the
2. Referenced Documents
penetration of the spray material into the crop canopy. See
deposition aid.
2.1 ASTM Standards:
cationic surfactant—a surface-active agent in which the
D 459 Terminology Relating to Soaps and Other Deter-
2
active portion of the molecule containing the lipophilic
gents
segment forms exclusively a positive ion (cation) when
D 483 Test Method for Unsulfonated Residue of Petroleum
3
placed in aqueous solution.
Plant Spray Oils
colorant—a material used to alter the color of the tank mix.
D 2140 Test Method for Carbon-Type Composition of In-
4
compatibility agent—a surface-active agent that allows simul-
sulating Oils of Petroleum Origin
taneous application of liquid fertilizer and agrichemical, or
3. Terminology
two or more agrichemical formulations, as a uniform tank
mix, or improves the homogeneity of the mixture and the
3.1 Terms and Definitions:
uniformity of the application.
acidifier—a material that can be added to spray mixtures to
crop oil concentrate—an emulsifiable petroleum oil-based
lower the pH.
product containing 15 to 20 % w/w surfactant and a mini-
activator—a material that increases the biological efficacy of
mum of 80 % w/w phytobland oil.
agrichemicals.
crop oil (emulsifiable)—an emulsifiable petroleum oil-based
active ingredient—a component of the formulation that pro-
product containing up to 5 % w/w surfactant and the
duces a specific effect for which the formulation is designed.
remainder of a phytobland oil.
adjuvant—a material added to a tank mix to aid or modify the
crop oil (non-emulsifiable)—See phytobland oil.
action of an agrichemical, or the physical characteristics of
defoaming agent—a material that eliminates or suppresses
the mixture.
foam in the spray tank
alkalinity agnent—a material that can be added to the spray
deposition aid—a material that improves the ability of ag-
mixture to raise the pH.
richemical sprays to deposit on targeted surfaces.
amphoteric surfactant—a surface-active agent capable of
dormant oil—a horticultural spray oil applied during the
forming, in aqueous solution, either surface-active anions or
dormant phase of the targeted plant. (See horticultural
surface-active cations depending on the pH.
spray oil.)
anionic surfactant—a surface-active agent in which the active
drift control agent—a material used in liquid spray mixtures
portion of the molecule containing the lipophilic segment
to reduce spray drift.
forms exclusively a negative ion (anion) when placed in
emulsifier—a surfactant that promotes the suspension of one
aqueous solution.
immiscible liquid in another.
evaporation reduction agent—a material that reduces the
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This terminology is under the jurisdiction of ASTM Committee E35 on
evaporation rate of a spray mix during or after application, or
Pesticides and are the direct responsibility of Subcommittee E35.22 on Pesticide
both.
Formulation and Application Systems.
extender—a material that increases the effective life of an
Current edition approved Nov. 10, 2000. Published February 2001. Originally
agrichemical after application.
published as E 1519 – 93. Last previous edition E 1519 – 95.
2
Annual Book of ASTM Standards, Vol 15.04.
foam suppressant—See defoamer.
3
Annual Book of ASTM Standards, Vol 05.01.
foaming agent—a material that increases the volume or
4
Annual Book of ASTM Standards, Vol 10.03.
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E 1519
stability of the foam formed in a spray mixture. minimum unsulfonated residue of 92 % v/v. D 483
humectant—a material which increases the equilibrium water spreader—a material which
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