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- indicator paper of neutral thymol phthalein 中性麝香草酚酞试纸
- paper of neutral thymol phthalein, indicator 中性麝香草酚酞试纸
- thymol phthalein 麝香草脑酞
- In industry, iodine is the main content of composing organic fuel, which can make phthalein series tar fuel. 在工业中，碘是合成有机燃料的主要成分，可以制酞系的焦油燃料。
- Local people heard in the matter, came from a radius of thymol have spent burning incense. 当地百姓闻得此事，从方圆百里纷纷赶来观花烧香。
- Oleum Terebinthinae, Oleum Eucalipti, Oleum Caryophylli, Oleum Cinnamomi, Mentholum, Camphorum, methyl salicylate, thymol. 水杨酸甲酯、薄荷脑、松节油、桉叶油、丁香油、肉桂油、麝香草酚、樟脑。
- In order to establish an easy,rapid and practical method of determination of nitrate nitrogen in quality controlled water,thymol was applied. 用麝香草酚法测定水中硝酸盐氮,并与标准方法酚二磺酸法进行对照,所测结果经统计学处理,两种方法无显著性差异,精密度、准确度等各项指标符合分析标准。
- Content : minimum 12 ml/kg of essential oil of which a minimum of 40 per cent is thymol and carvacrol (both C 10 H 14 O;M r 150.2) (anhydrous drug). 本品（以干燥品计）含挥发油不得少于12 ml/kg，其中百里酚和香芹酚（均为C 10 H 14 O）的总和不得少于40%25。
- Phthalein acid anhydride Photophobic pharmaceutical and has special protective action on the ultraviolet ray. It can cure sunlight dermatitis, eczema, etc. 酞酐避光剂，对紫外线具有特殊的保护功效，可治疗日光性皮炎，湿疹等。
- To determine the free fatty ac id in vegetable oil with NaOH's standard titration solution,using Thymol Blue a s itsindicator. 以百里酚兰为指示剂,用氢氧化钠标准滴定溶液测定植物油中游离脂肪酸。
- Say in findings report, the chemical contaminant that exists generally in French household is acerbity salt of formaldehyde, aldehyde, phthalein and DDVP. 调查报告中说，在法国家居中普遍存在的化学污染物是甲醛、乙醛、酞酸盐和敌敌畏。
- In the meantime, it can adsorpt the toxicity matter such as the mercury , cadmium , sour grease of phthalein , cyanide , chlorine and various bacterium etc by the water pollution. 同时麦饭石能吸附水中因污染所致的微量毒性物质如水银、镉、酞酸脂、氰化物、氯气和多种细菌。
- A new method has been studied in which thymol blue-phenolpthalein was used as indicators and alkali was directly used to titrate di-phosphorus pentoxide in phosphoric acid. 研究了以百里香酚蓝-酚酞为指示剂，直接用碱滴定磷酸中五氧化二磷的新方法。
- Thymol and thymol blended with other essential oils or essential oil components offer a promising exception.Mite mortality is over 90% when these formu... 很有必要对香精油的抗蜂螨作用作进一步的研究,同时结合其它防治手段,建立一套全面的害虫防治策略,以控制蜂螨的危害。
- The method Taking thymol blue as the indicateis quicker,more accurate than barium chloride method,double color indicator method and coefficientrect method. 以百里酚兰为指示剂;分析可溶性硅酸盐体系中混合碱的方法;较之氯化钡法;双指示剂法及系数校正法快速、准确;相对误差在0.;2%25以下。
- A catalytic kinetic spectrophotometry method for the determination of trace iron has been established based on its catalytic effect on the oxidative discolour of hydrogen peroxide with thymol blue in acid medium. 基于酸性介质中三价铁离子对过氧化氢氧化百里香酚蓝褪色的催化作用 ;提出了催化动力学光度法测定痕量铁的新方法 .
- The effect of hexadecy pyridine choride on the dissociation constants of thymol blue bromide, cresol red, o-ckesolphthalein and thymol blue, as well as their the colour-changing ranges were studied by spectrophotometry. 摘要探讨了表面活性剂氯化十六烷基吡啶形成的胶束对溴百里香酚蓝、甲酚红、邻甲苯酚酞和百里香酚蓝离解反应的离解常数的影响，同时，也研究了该表面活性剂对上述四种酸碱指示剂变色范围的影响。
- Results:Thirty constituents were identified from Inula nervosa.That accounts for 94.02% of essential oil.The main chemical components were Thymolisobutyrate,Thymol,Thymolisovalerate,etc. 结果:从云威灵挥发油中鉴定出30个组分;占挥发油总量的94.;02%25;主要成分为丁酸百里香酚酯、百里香酚和戊酸百里香酚酯等。
- indicator paper of phenol phthalein 酚酞试纸
- paper of phenol phthalein, indicator 酚酞试纸
