ASTM E1519-04a
(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.
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Standards Content (Sample)
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Designation: E 1519 – 04a
Standard Terminology Relating to
1
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 anionic surfactant—a surface-active agent in which the active
portion of the molecule containing the lipophilic segment
1.1 This terminology is used or is likely to be used in test
forms exclusively a negative ion (anion) when placed in
methods, specifications, guides, and practices related to agri-
aqueous solution.
cultural tank mix adjuvants.
antifoaming agent—a material used to inhibit or prevent the
1.2 These definitions are written to ensure that standards
formation of foam.
related to agricultural tank mix adjuvants are properly under-
attractant—a material that attracts specific pests.
stood and interpreted.
basic blend—a combination of wetting agent and buffering
2. Referenced Documents agent that maintains a pH of the spray mixture greater than
2
7.
2.1 ASTM Standards:
buffer or buffering agent—a compound or mixture that, when
D 459 Terminology Relating to Soaps and Other Detergents
contained in solution, causes the solution to resist change in
D 483 Test Method for Unsulfonated Residue of Petroleum
pH. Each buffer has a characteristic limited range of pH over
Plant Spray Oils
which it is effective.
D 609 Terminology Relating to Pesticides
canopy penetrating agent—an adjuvant that increases the
D 2140 Test Method for Carbon-Type Composition of In-
penetration of the spray material into the crop canopy. See
sulating Oils of Petroleum Origin
deposition aid.
3. Terminology
cationic surfactant—a surface-active agent in which the
active portion of the molecule containing the lipophilic
3.1 Terms and Definitions:
segment forms exclusively a positive ion (cation) when
absorption—a process in which one material (the absorbent)
placed in aqueous solution.
takes in and retains another (the absorbate).
colorant—a material used to alter the color of the tank mix.
acidifier—a material that can be added to spray mixtures to
compatibility agent—asurface-activeagentthatallowssimul-
lower the pH.
taneous application of liquid fertilizer and agrichemical, or
activator—a material that increases the biological efficacy of
two or more agrichemical formulations, as a uniform tank
agrichemicals.
mix, or improves the homogeneity of the mixture and the
active ingredient—a component of the formulation that pro-
uniformity of the application.
duces a specific effect for which the formulation is designed.
crop oil concentrate—an emulsifiable petroleum oil-based
adjuvant—a material added to a tank mix to aid or modify the
product containing 15 to 20 % w/w surfactant and a mini-
action of an agrichemical, or the physical characteristics of
mum of 80 % w/w phytobland oil.
the mixture.
crop oil (emulsifiable)—an emulsifiable petroleum oil-based
alkalinity agent—a material that can be added to the spray
product containing up to 5 % w/w surfactant and the
mixture to raise the pH.
remainder of a phytobland oil.
amphoteric surfactant—a surface-active agent capable of
crop oil (non-emulsifiable)—See phytobland oil.
forming, in aqueous solution, either surface-active anions or
defoaming agent—a material that eliminates or suppresses
surface-active cations depending on the pH.
foam in the spray tank
deposition aid—a material that improves the ability of ag-
richemical sprays to deposit on targeted surfaces.
1
This terminology is under the jurisdiction of ASTM Committee E35 on
dormant oil—a horticultural spray oil applied during the
Pesticides and Alternative Control Agents and are the direct responsibility of
Subcommittee E35.22 on Pesticide Formulation and Application Systems.
dormant phase of the targeted plant. (See horticultural
Current edition approved Nov 1, 2004. Published December 2004. Originally
spray oil.)
approved in 1993. Last previous edition approved in 2004 as E 1519 – 04.
2 drift control agent—a material used in liquid spray mixtures
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
to reduce spray drift.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
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E 1519 – 04a
drift reduction agent—See drift control agent. of hydrocarbons that are broadly classified as paraffins,
emulsifier—a surfactant that pr
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