Sucrose, Glucose Syrup, Apple Pectin, Fumaric Acid, Natural Flavors and Colors (annatto, black carrot juice concentrate, berry juice concentrate and tumeric). L'il Critters Groovy Calcium Gummy Bears are sprinkled with fumaric acid, citric acid and sucrose crystals for a delicious sour flavor.

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PVC resin, PTFE resin, fumaric acid, anthraquinone, nitroanthraquinone, paraaminophenol, melamine, cyanuric acid, sulfanilic acid, chemical inhibitor 168, azoic coupling component As, stearate, aniline, nitroaniline, pentaerythritol, chlorcosane, sodium calcium, triethylene diamine, sodium benzene sulphinate, m-phthalic acid, thiourea, aniline black dyestuffs, acid dyestuff, etc.

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Diethyl fumarate was synthesized with fumaric and alcohol as raw materials and sodium acid sulfate as catalyst.

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Utilization ofantiseptic would not be affected by temperature or pH.The antiseptics had a longperiod of validity,the effect is much better than most other antiseptics,could notarose skin hypersusceptibility,resist to metabolization,and had a wide utilizationrange.

研究中采用了本實(shí)驗(yàn)室自行合成的抗菌劑反丁烯二酸桂醇甲酯，測定了反丁烯二酸桂醇甲酯在不同的pH值男人的天堂国产精品、不同溫度欧美熟妇性生活、不同濃度條件下的抑菌活性日韩精品无码区免费专区、抑菌譜，并與其它常用抗菌劑的抑菌效果做了比較日韩一区二区黄色视频。

Synthesis technology of cinnamyl methyl fumarate containing α,β-unsaturated carbonyl group and its antimicrobial activity was studied.

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For pre-selection of iron compounds that ferrous sulfate, ferrous chloride, ferrous fumarate, carbonyl iron, amino acid chelated iron, iron asporotate, fenic chloride and ferric pyrophosphate were added in reconstituted skim milk to undergo in vitro digestion, respectively, and then the selected iron compounds were added in reconstituted whole milk to compare the iron bioavailability by estimating dialyzable ferrous iron, dialyzable total iron, nondialyzable and total ferrous iron, respectively.

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Single dibasic acid can be identified by infrared spectroscopy while mixed dibasic acids have to be differentiated by paper chromatography in isopro-pan...

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A novel supramolecular complex, [Cu2]CH3OHH2O (fum=fumarate dianion, dpphen=4, 7-diphenyl-1, 10-phenanthroline), has been prepared from the reaction of bidentate ligand, fumarate with CuCl2, and were characterized by element analysis, IR, thermal analysis and X-ray diffraction technique.

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A method to determine micro amount of meleic acid in fumaric acid is described, and the results confirmed by gas chromatography.

本文研究了反丁烯二酸試樣中微量順丁烯二酸的測定方法人人干人人操人人草人人摸。

Effects of microwave power, reaction time, reaction temperature, solvent etc. on reaction were studied by a single factor tests. The results show that maleic acid is more active than fumaric acid; the introduction of methyl group on the double bond can weak the reactivity of the Michael addition reaction; the ester base is more propitious to complete the Michael addition reaction than the nitrile base.

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