ASTM E1519-15b

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Designation: E1519 − 15b
StandardTerminology Relating to
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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 alkalinity agent, n—a material that can be added to the spray
mixture to raise the pH.
1.1 This terminology is used or is likely to be used in test
methods, specifications, guides, and practices related to agri-
amphoteric surfactant, n—a surface-active agent capable of
cultural tank mix adjuvants.
forming, in aqueous solution, either surface-active anions or
surface-active cations depending on the pH.
1.2 These definitions are written to ensure that standards
related to agricultural tank mix adjuvants are properly under-
anionic surfactant, n—surface-active agent in which the
stood and interpreted.
hydrophilic portion of the molecule forms exclusively a
negative ion (anion) when placed in aqueous solution.
2. Referenced Documents
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antifoaming agent, n—amaterialusedtoinhibitorpreventthe
2.1 ASTM Standards:
formation of foam.
D459 Terminology Relating to Soaps and Other Detergents
D483 Test Method for Unsulfonated Residue of Petroleum
attractant, n—a material that attracts specific pests.
Plant Spray Oils
E609 Terminology Relating to Pesticides basic blend, n—a combination of wetting agent and buffering
D2140 Practice for Calculating Carbon-Type Composition agent that maintains a pH of the spray mixture greater than
of Insulating Oils of Petroleum Origin 7.
buffer or buffering agent, n—a compound or mixture that,
3. Terminology
when contained in solution, causes the solution to resist
3.1 Terms and Definitions:
change in pH. Each buffer has a characteristic limited range
absorption, n—aprocessinwhichonematerial(theabsorbent)
of pH over which it is effective.
takes in and retains another (the absorbate).
canopy penetrating agent, n—an adjuvant that increases the
acidifier, n—a material that can be added to spray mixtures to
penetration of the spray material into the crop canopy. See
lower the pH.
deposition aid.
activator, n—amaterialthatincreasesthebiologicalefficacyof
cationic surfactant, n—a surface-active agent in which the
agrichemicals.
hydrophilic portion of the molecule forms exclusively a
active ingredient, n—a component of the formulation that
positive ion (cation) when placed in aqueous solution.
produces a specific effect for which the formulation is
colorant, n—a material used to alter the color of the tank mix.
designed.
compatibility agent, n—a surface-active agent that allows
adjuvant, n—a material added to a tank mix to aid or modify
simultaneous application of liquid fertilizer and
the action of an agrichemical, or the physical characteristics
agrichemical, or two or more agrichemical formulations, as
of the mixture.
a uniform tank mix, or improves the homogeneity of the
mixture and the uniformity of the application.
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This terminology is under the jurisdiction of ASTM Committee E35 on
crop oil concentrate, n—an emulsifiable petroleum oil-based
Pesticides, Antimicrobials, and Alternative Control Agents and is the direct
responsibility of Subcommittee E35.22 on Pesticide Formulations and Delivery
product containing 15 to 20 % w⁄w surfactant and a mini-
Systems.
mum of 80 % w/w phytobland oil.
Current edition approved Oct. 1, 2015. Published October 2015. Originally
approved in 1993. Last previous edition approved in 2015 as E1519 – 15a. DOI:
crop oil (emulsifiable), n—an emulsifiable petroleum oil-
10.1520/E1519-15B.
2 based product containing up to 5 % w⁄w surfactant and the
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM remainder of a phytobland oil.
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. crop oil (non-emulsifiable), n—See phytobland oil.
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E1519 − 15b
defoaming agent, n—a material that eliminates or suppresses naphtha-based oil, n—a petroleum oil containing a majority
foam in the spray tank of the naphtha fraction.
deposition aid, n—a material that improves the ability of
nonionic surfactant, n—a surface-active agent that has no
agrichemical sprays to deposit on targeted surfaces.
ionizable functional groups.
dormant oil, n—a horticultural spray oil applied during the
oil, n—See petroleum, vegetable, paraffinic, and so forth.
dormant phase of the targeted plant
...