ASTM E1519-16(2020)

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: E1519 − 16 (Reapproved 2020)
Standard Terminology Relating to
Agricultural Tank Mix Adjuvants
This standard is issued under the fixed designation E1519; 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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope active ingredient, n—a component of the formulation that
produces a specific effect for which the formulation is
1.1 This terminology is used or is likely to be used in test
designed.
methods, specifications, guides, and practices related to agri-
cultural tank mix adjuvants.
adjuvant, n—a material added to a tank mix to aid or modify
1.2 These definitions are written to ensure that standards the action of an agrichemical, or the physical characteristics
related to agricultural tank mix adjuvants are properly under- of the mixture.
stood and interpreted.
alkalinity agent, n—a material that can be added to the spray
1.3 This international standard was developed in accor-
mixture to raise the pH.
dance with internationally recognized principles on standard-
ization established in the Decision on Principles for the
amphoteric surfactant, n—a surface-active agent capable of
Development of International Standards, Guides and Recom-
forming, in aqueous solution, either surface-active anions or
mendations issued by the World Trade Organization Technical
surface-active cations depending on the pH.
Barriers to Trade (TBT) Committee.
anionic surfactant, n—surface-active agent in which the
hydrophilic portion of the molecule forms exclusively a
2. Referenced Documents
negative ion (anion) when placed in aqueous solution.
2.1 ASTM Standards:
D459 Terminology Relating to Soaps and Other Detergents
antifoaming agent, n—a material used to inhibit or prevent the
D483 Test Method for Unsulfonated Residue of Petroleum
formation of foam.
Plant Spray Oils
attractant, n—a material that attracts specific pests.
E609 Terminology Relating to Pesticides
D2140 Practice for Calculating Carbon-Type Composition
basic blend, n—a combination of wetting agent and buffering
of Insulating Oils of Petroleum Origin
agent that maintains a pH of the spray mixture greater than
7.
3. Terminology
3.1 Terms and Definitions:
buffer or buffering agent, n—a compound or mixture that,
absorption, n—aprocessinwhichonematerial(theabsorbent)
when contained in solution, causes the solution to resist
takes in and retains another (the absorbate).
change in pH. Each buffer has a characteristic limited range
of pH over which it is effective.
acidifier, n—a material that can be added to spray mixtures to
lower the pH.
canopy penetrating agent, n—an adjuvant that increases the
penetration of the spray material into the crop canopy. See
activator, n—amaterialthatincreasesthebiologicalefficacyof
deposition aid.
agrichemicals.
cationic surfactant, n—a surface-active agent in which the
hydrophilic portion of the molecule forms exclusively a
This terminology is under the jurisdiction of ASTM Committee E35 on
positive ion (cation) when placed in aqueous solution.
Pesticides, Antimicrobials, and Alternative Control Agents and is the direct
responsibility of Subcommittee E35.22 on Pesticide Formulations and Delivery
colorant, n—a material used to alter the color of the tank mix.
Systems.
Current edition approved Oct. 1, 2020. Published October 2020. Originally
compatibility agent, n—a surface-active agent that allows
approved in 1993. Last previous edition approved in 2016 as E1519 – 16. DOI:
10.1520/E1519-16R20.
simultaneous application of liquid fertilizer and
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
agrichemical, or two or more agrichemical formulations, as
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
a uniform tank mix, or improves the homogeneity of the
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. mixture and the uniformity of the application.
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E1519 − 16 (2020)
crop oil concentrate, n—an emulsifiable petroleum oil-based humectant, n—a material which increases the equilibrium
product containing 15 to 20 % w⁄w surfactant and a mini- water content and increases the drying time of an aqueous
mum of 80 % w/w phytobland oil. spray deposit.
crop oil (emulsifiable), n—an emulsifiable petroleum oil- modified vegetable oil, n—an oil, extracted from seeds, that
based product containing up to 5 % w⁄w surfactant and the has been chemically modified (for example, methylated).
remainder of a phytobland oil.
modified vegetable oil concentrate, n—an emulsifiable,
crop oil (non-emulsifiable), n—See phytobland oil.
chemically modified vegetable oil product containing 5 to
20 % w/w surfactant and the remainder chemically modified
defoaming agent, n—a material that eliminates or suppresses
vegetable oil.
foam in the spray tank
deposition aid, n—a mate
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