词语:酚酞热度:423

词语酚酞拆分为汉字:

酚字的拼音、笔画、偏旁部首、笔顺、繁体字,酚字字源来历,酚字演变

有机化合物,特指“苯酚”,亦称“石炭酸”,是医药上常用的防腐杀菌剂。……

酞字的拼音、笔画、偏旁部首、笔顺、繁体字,酞字字源来历,酞字演变

有机化合物的一类,是由一个分子的邻苯二酸酐与两个分子的酚经缩合作用而生成的产物。酚酞就属于酞类。……

 

查询词语:酚酞

汉语拼音:fēn tài

词语酚酞基本解释

1.有机化合物,无色结晶体,它的酒精溶液在中性或酸性溶液中无色,在碱性溶液中呈红色。化学分析上用做指示剂。

词语酚酞详细解释

  1. 有机化合物,无色结晶体,它的酒精溶液在中性或酸性溶液中无色,在碱性溶液中呈红色。化学分析上用做指示剂。

词语酚酞在线造句

  1. It is reacted with phenol to produce phenolphthalein, used as an indicator, a dye, and a pharmaceutical.

    它与酚反应生产酚酞,可用作指示剂、染料和医药。

  2. OBJECTIVE: To evaluate the uncertainty in the determination of the content of phenolphthalein tablet by UV spectrophotometry .

    目的:评定以紫外分光光度法测定酚酞片含量的不确定度。

  3. The causes of producing error results were analyzed at detecting alkaline cell seal characteristics, using phenolphthalein solution.

    分析了用酚酞试剂检测碱性电池密封性能产生错误结果的原因。

  4. A white or pale yellow crystalline powder, C20H14O4, used as an acid-base indicator, in making dyes, and in medicine as a laxative.

    苯酚酞一种白色或淡黄色的晶体粉末,c20h14o4,用作酸性指示剂,用于制染料,并在医学上用作一种轻泻剂。

  5. CHEMICAL ANALYSIS OF ORGANIC PHTHALATES. DETERMINATION OF ACIDITY TO PHENOLPHTHALEIN.

    有机酞酸盐的化学分析.酸度的酚酞法测定

  6. Phenolphthalein : Toxic organic dye. It should be handled with the usual precautions.

    酚酞:有毒的有染料,像平时一样谨慎处理。

  7. The assay of content of methoxamine hydrochloric acid using phenolphthalein indicator and NaOH as titrant was developed.

    提出了以酚酞为指示剂,氢氧化钠为滴定剂测定甲氧胺盐酸盐含量的方法。

  8. CHEMICAL ANALYSIS OF MALEIC AND PHTAHLIC ANHYDRIDES. ESTIMATE OF CONCENTRATION BY DETERMINATION OF TOTAL ACIDITY WITH PHTHENOLPHTHALEIN.

    马来酐和酞酐的化学分析.总酸度的酚酞滴定法测定

  9. It is by transparent propylene varnish, phenolphthalein indicator is mixed catch pink alkalescent medium to mix make.

    它是由透明丙烯清漆、酚酞指示剂和染成粉红色的碱性介质混合制成。