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- Salicylic and benzoic acids 水杨酸-苯甲酸
- This paper discribes a factor analysis spectrophotometric method for measuring crystallose and benzoic acid in drinks. 本文研究了应用因子分析分光光度法同时测定饮料中糖精钠和苯甲酸的方法。
- To establish a RPTLC new method for measuring paeonol,paeoniflorin and benzoic acid in Paeonia lactiflora. 建立了对白芍中丹皮酚、芍药苷和苯甲酸同时进行反相薄层色谱分析的新方法。
- A method for the determination of sorbic acid and benzoic acid in meat product by gas chromatography was studied. 建立了肉制品中山梨酸和苯甲酸的气相色谱毛细管色谱柱检测方法。
- It is maigre that to hydroxyl benzoic acid Yi Bingfu adds up to ester natrium and benzoic acid natrium? 对羟基苯甲酸乙丙复合酯钠和苯甲酸钠是不是素食?
- Objective To analyze the contents of benzoyl peroxide and benzoic acid in flour by gas chromatography(GC). 目的采用气相色谱法同时测定面粉中过氧化苯甲酰、苯甲酸,了解其在面粉中的含量。
- An improved method for the determination of total amount of benzoyl peroxide (BPO) and benzoic acid (BA) in wheat flour is reported. 报道了测定小麦粉中作为增白剂的过氧化苯甲酰及残留苯甲酸总量的改进方法。
- A simultaneously potentiometric titration method for determining benzaldehyde and benzoic acid in electrosynthesis products was reported. 采用电位滴定法测定甲苯电合成产物中的苯甲醛和苯甲酸,研究了盐酸羟胺用量、苯甲醇和甲苯含量对测定的影响。
- The experimental results showed that naphthol is easily oxidized in SCW and its main aromatic residues are o-phthalic acid and benzoic acid. 实验表明:萘酚在实验条件下极易氧化分解,其主要芳环残留物为邻苯二甲酸和苯甲酸;
- The experimental results showed that naphthol is easily oxidized in SCW and its main aromatic residues are o phthalic acid and benzoic acid. 实验表明:萘酚在实验条件下极易氧化分解,其主要芳环残留物为邻苯二甲酸和苯甲酸;
- A method for the determination of sorbic acid and benzoic acid in capsicum paste with fragrance by gas chromatography was studied. 建立了香辣酱中山梨酸和苯甲酸的气相色谱毛细管色谱柱检测方法。
- Standard formation enthalpies of substituted benzene and benzoic acids derivates are related to the primary effect, secondary effect and the barrier point of the substituent. 摘要基于取代苯和取代苯甲酸衍生物的标准生成焓受取代基的初级效应、次级效应及取代基之间的障碍点等因素影响。
- Oleum Chimonanthi, camphor, benzoic acid, salicylic acid, vaseline. 蜡梅油、樟脑、苯甲酸、水杨酸、黄凡士林、石蜡。
- Characteristics of adsorption for aniline,phenol and benzoic acid were reported at different temperature onto the three adsorption resins of Amberlite XAD-4,AM-1 and JX101,and interpreted with frontier orbital theory. 通过3种吸附树脂AmberliteXAD-4、AM-1和JX101对芳香化合物苯胺、苯酚和苯甲酸在不同温度下的吸附特征,利用前线轨道理论进行了合理解释。
- A new method for the determination of benzoyl peroxide (BPO) and benzoic acid (BA) decomposed from benzoyl peroxide bleach in wheat flour was developed by using high performance liquid chromatography (HPLC). 本文提出高效液相色谱法测定面粉中增白剂过氧化苯甲酰(BPO)及其还原产物苯甲酸(BA)的新方法。
- This paper studied the sorption behavior of three ionizable organic compounds(IOCs),such as 2?4-dichlorophenol(DCP),2?4-dinitrophenol(DNP)and benzoic acid(BA),on loess soil modified with a cation surfactant-brimide hexadecyltrinethylammonium(HDTMA). 研究了 2 4 二氯苯酚、 2 4 二硝基苯酚和苯甲酸三种可离子化有机化合物在天然黄土和阳离子表面活性剂改性黄土中的吸附行为 .
- Solubility of 2-naphthol and benzoic acid in supercritical CO 2 with and without cosolvent was determined by SCF solubility experiment set up in our lab,and deta was obtained for these substances. 在自建的超临界流体溶解度实验装置中 ,测定了固体溶质 2 -萘酚、苯甲酸在超临界CO2 中的溶解度 ,实验对该类物质的超临界萃取提供了基础数据。
- Results Benzoyl peroxide and benzoic acid existed in 64 of 74 samples,benzoyl peroxide existed in 7 samples of 74 samples,no benzoyl peroxide and benzoic acid in 3 samples of 74 samples. 结果74份面粉及面粉制品样品中64份同时含有过氧化苯甲酰、苯甲酸,7份只检出过氧化苯甲酰,3份均未检出过氧化苯甲酰、苯甲酸。结论过氧化苯甲酰在面粉中使用广泛。
- Benzoic acid has antibacterial and antifungal properties. 苯甲酸具有抗菌和杀真菌的特性。