technical-grade


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Adj.1.technical-grade - containing small amounts of other chemicals, hence slightly impure; "technical-grade sulfuric acid"
chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
impure - combined with extraneous elements
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Upon achieving full Stage 2 production rates, Olaroz product distribution will be 17,500 mt/y of battery-grade [Li.sub.2]C[O.sub.3], 9,500 mt/y of technical-grade [Li.sub.2]C[O.sub.3] as feedstock for 10,000-mt/y of battery-grade LiOH production at Naraha, and an additional 15,500 mt/y of technical-grade [Li.sub.2]C[O.sub.3] for marketing.
The ratings reflect the company's modest financial risk profile and moderate scale of operations in the industrial and technical-grade rubber products industry.
Unfortunately, Grossman frequently uses the generic term "PBDEs" rather than specifying which congeners are present in the technical-grade preparation of the PBDEs she discusses.
Hindered phenolic and other antioxidants include CAO-3 food-grade BHT, which can be used for technical-grade applications; CAO-5 (antioxidant 2246), a tert-butyl-phenol; Prodox 168 tris(2,4-ditertiarybutyl phenyl) phosphite; Prodox 46-S 2,2-thiobis-(4-methyl-6-tertiarybutyl phenol); Prodox 316 styrenated p-cresol; Prodox-500 butylated hydroxy ethyl benzene (BHEB); Prodox-3114, tris-(di-tert-butyl hydroxy benzyl) isocyanurate; Prodox SCR tertbutyl-metacresol; Prodox 120 styrenated phenol; and Prodox 1010, tetrakis (methylene di-tert-butyl-hydroxyhydrocinnamate) methane.

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