xanthurenic acid (4,8 二羟基喹啉甲酸) 黄尿酸 tetrahydroxy alcohol (含有四个羟基的醇) 四元醇 lactolide (乳醇的醚邻内醚醇的醚) 乳醚 intermediate hsg (多缸转子发动机中各相邻缸之间的) 中间缸盖 hydrotalcite (制酸药) 水化碳酸氢氧化镁铝 trioxypurine (尿酸) 三氧嘌呤 verditer (碳酸铜) 铜盐颜...
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Ortho-hydroxybenzoic acidAn o-HBA AuNPs-based colorimetric sensor is synthesized and used to detect Fe3+.The sensor is highly selective towards Fe3+.The sensor is successfully used to determine Fe3+in rice field, river, and seawater.doi:10.1016/j.jece.2021.105962Agustina Sus Andreani...
The reaction of 2,3,5,6-tetrabromo-4-hydroxybenzoic acid with a 10-fold excess of NaNO in the glacial acetic acid at 20掳C affords tetrabromonitrosophenols whose further transformations under the reaction conditions leads to the formation of a mixture of 2,4,5,6-te...
An antibacterial liquid hand cleaning composition with desirable cleansing properties to the human skin comprising a C 8-18 ethoxylated alkyl ether sulfate anionic surfactant, a betaine surfactant, a hydroxy containing organic acid and water.Anne Jacques...
The invention relates to a method for preparing ortho-hydroxybenzoic acid by catalyzing and oxidizing ortho-nitrotoluene with a metalloporphyrin and metal salt compound as a catalyst. The method comprises the following steps of: introducing the oxygen of 0.5-2.5Mpa into the aqueous ethanol of 0.5-...
All the conformers of ortho-hydroxybenzoic acid and diortho-hydroxybenzoic acid were studied by the CNDO/2 method. The results obtained confirm the experimental facts with respect to the strength of the intramolecular hydrogen bonds in these acids as well as in their anions....
In a typical process the acid (e.g. sali-cyclic acid) and 1-6 wt.% acid catalyst (H2SO4, benzene sulphonic acid, toluene sulphonic acid etc.) are mixed with excess amt. of alcohol e.g. methanol, ethanol, propanol, n-butanol, isobutanol etc. and the mixt. heated to 80-200 ...
ChemInform Abstract: ORTHO EFFECTS OF HYDROXYBENZOIC ACID IN WATER〥IMETHYLSULFOXIDE MIXTURES AT 25°Celectrolytes, electrolytic conductivity, acid/base properties (organic)doi:10.1002/chin.198122104RODANTE, FPISTOIA, GJohn Wiley & Sons, LtdChemischer Informationsdienst...
hydroxybenzoic acidisomerssupercritical carbon dioxidepolar co-solventmolecular dynamicssolvated complexhydrogen bondThe solvate structures formed by the ortho -, meta -, and para -isomers of hydroxybenzoic acid ( o -HBA, m -HBA, and p -HBA) with a polar co-solvent (methanol at a concentration ...