Results 101 to 110 of about 827,770 (161)
Journal of the Brazilian Chemical Society, 1998 The study of model compounds is necessary in order to obtain information about complex organic substances as in the case of humic substances (HS). These substances are potential organic fertilizers and have other important functions in soils, natural ...
Mercê Ana Lucia Ramalho +4 more
doaj
Microbial degradation of substituted benzoic acids
, 1984 A review with 273 refs. Pathways for the degradation of benzoic acid, hydroxybenzoic acids, methoxybenzoic acids, aminobenzoic acids, alkylbenzoic acids, phthalic acids, and halogenated benzoic acids are discussed. A summary of the aromatic ring cleavage
Haribabu, B +2 more
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Journal of the Brazilian Chemical Society, 2006 In this work electrochemical and Ultraviolet-Visible studies were performed in solutions of salicylic acid models of humic and nitrohumic acids, a laboratory artifact, and molybdenum in order to determine the affinity of these models towards the metal ...
Mercê Ana Lucia R. +3 more
doaj
, 2002 Retention mechanisms of an unmodified and a hydroxylated polystyrene–divinylbenzene polymer were studied by solid-phase extraction of o-phthalic acid and some of its mono- and diesters from purified water and then analysing by GC–MS.
Borén, Hans,, Jonsson, Susanne,
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Secondary amine derivatives of p-tert-butylthiacalix[4]arene: Synthesis and molecular recognition of phthalic acid [PDF]
, 2014 © ISUCT Publishing. New tetrasubstituted at the lower rim p-tert-butylthiacalix[4]arenes in 1,3-alternate conformation containing 2-, 3-, and 4-picolylamine fragments were synthesized. It was shown that the macrocycles synthesized are able to selectively
Stoikov I., Nosov R.
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, 2020 © ISUCT Publishing. New tetrasubstituted at the lower rim p-tert-butylthiacalix[4]arenes in 1,3-alternate conformation containing 2-, 3-, and 4-picolylamine fragments were synthesized. It was shown that the macrocycles synthesized are able to selectively
Stoikov I., Nosov R.
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Corrosion Inhibition by -Phthalic Acid -Zn 2+ System
, 2020 The inhibition effect of Phthalic acid(PA) -Zn 2+ system controls the corrosion of carbon steel has been studied by weight -loss method. The weight -loss study reveals that the formulation consisting of 60 ppm of Zn 2+ , 50 ppm of phthalic acid has 82 ...
C Rajarathinam +8 more
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PRARANCANGAN PABRIK PHTHALIC ANHYDRIDE DARI NAPHTHALENE DAN UDARA
, 2014 Phthalic anhydride plant is designed with capacity 80.000 ton/year. It is operated for 330 day/year. The purity of phthalic anhydride in product is 99,93% with maleic anhydride and naphthoquinone as impurities.
, Prof. Ir. Suryo Purwono, MA.Sc., Ph.D. +1 more
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HAZARDOUS SUBSTANCE ECOLOGICAL FACT SHEET D1ethylester Phthalic Acid
, 1988 Chemical Name: Diethylester Phthalic Acid CAS Number: 84-66-2Diethylester phthalic acid (diethyl phthalate) is a manufactured chemical. It is used as a solvent for cellulose acetate in manufacturing varnishes and dopes, as a fixative for perfumes and
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