methyl hydroxybenzoate

Application of single drop microextraction in the determination of phthalate esters and parabens in drugs by gas chromatography-mass spectrometry;

微滴液相微萃取技术用于气相色谱-质谱法分析药品中的酞酸酯和对羟基苯甲酸酯

di-ethyl phthalate(DEP),di-propyl phthalate(DPP),di-isobutyl phthalate(DIBP),di-butyl phthalate(DBP),benzyl butyl phthalate(BBP),di-cyclohexyl phthalate(DCHP),di-(2-ethylhexyl) phthalate(DEHP),di-octyl phthalate(DOP) and 4 parabens,i.

采用超声协助甲醇提取、固相萃取净化、气相色谱/选择离子质谱联用法,同时测定化妆品中8种邻苯二甲酸酯和4种对羟基苯甲酸酯。

The paper introduces the preservative action of parabens to surfactants injected with standard ATCC and “wild” pseudomonas aeruginosa that is obtained by chemical detecting method (spectroscopic analysis) to analyze the masses changing of preservative.

介绍了对羟基苯甲酸酯在注入了 ATCC标准绿脓杆菌和“wild”绿脓杆菌的表面活性剂中的防腐作用 ;用化学检测法 (光谱分析 )检测了在注入了 ATCC标准绿脓杆菌和“wild”绿脓杆菌的表面活性剂中防腐剂 (对羟基苯甲酸酯 )质量的变化情况 ;指出绿脓杆菌能代谢羟基在对位上的苯甲酸

Determination of p-hydroxybenzoate Antiseptics in Foods by Capillary Gas Chromatography;

毛细管气相色谱法测定食品中对羟基苯甲酸酯类防腐剂

Ultrasound extraction coupled on to high performance liquid chromatography was applied to determine 4 kinds of p-hydroxybenzoate antiseptics in food.

采用超声萃取-高效液相色谱法测定食品中4种对羟基苯甲酸酯类防腐剂。

Progress in research on chromatography methods of paraben preservative in foods and drugs;

食品和药品中对羟基苯甲酸酯类防腐剂色谱分析法的研究进展

Preparation of 3,5-Dihydroxytoluene from Methyl 3,5-Dihydroxybenzoate by Catalytic Hydrogenation

3,5-二羟基苯甲酸甲酯催化加氢制备3,5-二羟基甲苯

The Microwave Synthesis of Methyl p-Hydroxybenzoate with p-Methyl-benzene Sulfonic Acid Catalyzed;

微波作用下对甲苯磺酸催化合成对羟基苯甲酸甲酯

Toxicity and Estrogen Effects of Methyl Paraben on Drosophila melanodaster

对羟基苯甲酸甲酯对果蝇的毒性与雌激素作用

propyl para-hydroxybenzoate

丙基对羟基苯甲酸酯

hydroxyphenethyl ester

氨基甲酸β－羟苯乙基酯

2,5-dihydroxybenzoic acid

2,5-二羟基苯甲酸

2,4-dihydroxybenzoic acid

２,４－二羟基苯甲酸

Synthesis of isobutyl p-hydroxybenzoate catalyzed by gallium sulfate

硫酸镓催化合成对羟基苯甲酸异丁酯

methyl p-methoxybenzoate

对甲氧基苯甲酸甲酯

Food additive--Propyl p-hydroxybenzoate

GB8851-1988食品添加剂对羟基苯甲酸丙酯

A study on technological improvement for synthesis of benzyl 4-hydroxybenzoate;

对羟基苯甲酸苄酯合成工艺改进研究

Thermodynamic Analysis of Synthesis of Propyl p-hydroxybenzoate

对羟基苯甲酸丙酯的合成热力学分析

Properties Study on Hydroxypropyl Methylcellulose Trimellitate

羟丙基甲基纤维素偏苯三甲酸酯的性能研究

The catalytic synthesis of ethyl p-hydroxybenzoate by copper p-toluene sulfonate;

对甲苯磺酸铜催化合成对羟基苯甲酸乙酯的研究

Improvement of the synthetic process of medical intermediate of 3,4-dihydroxy-5-methoxy methyl benzoate

医药中间体3,4-二羟基-5-甲氧基苯甲酸甲酯的合成工艺改进

Synthesis of Methyl 4-(5-Nitro-6-hydroxybenzoxazol-2-yl) benzoate

4-(5-硝基-6-羟基-2-苯并噁唑基)苯甲酸甲酯的合成

The Synthesis of n-Bulyl p-Hydroxy Enzoate by the Solid Superacid ZrO_2/SO_4~(2-);

固体酸ZrO_2/SO_4~(2-)催化合成对羟基苯甲酸丁酯

3 hydroxyanthranilic acid

3羟基2氨基苯甲酸