翻译 简明 acid base indicator 英[ˈæsid beis ˈɪndɪˌkeɪtə] 美[ˈæsɪd bes ˈɪndɪˌketɚ] 释义 酸碱指示剂[指示器] 释义
acidbase indicator的意思是酸碱指示剂。酸碱指示剂是一类在酸性或碱性溶液中能显示不同颜色的化学试剂。它们通常用于检测溶液的酸碱性或测定溶液的pH值。以下是对酸碱指示剂的进一步解释：作用原理：酸碱指示剂的颜色变化是基于其在不同pH值溶液中的化学结构转变。在酸性溶液中，指示剂可能呈现一种颜色；在...
What is an acid-base indicator Class 7? Substances that are used to indicate whether a substance is acid or a base are known as indicators. They change their color on addition of a solution containing an acidic or a basic substance. ...
acid base adj. 酸硷的 indicator n.[C] 1. 指示信号,标志,迹象 2. 指示器,指针 3.【英】转向灯,方向灯 base n. [C] 1.基,底,基部 2.基础;基料 3.基地,总部 4.基本部分,主要成分 5.【化】碱;盐基 6.【测】基线 7.【语】词根 8.【数】基数;;底边 9.【棒】垒 acid n. 1.[U,C]...
acid base indicator 酸硷指示剂 acid base indicator 酸碱指示剂 acid base 【医】 酸硷 acid base metabolism 酸硷代谢 acid base titration 酸碱滴定法,酸硷滴定法 conjugate acid and base 共轭酸碱 acid base balance 酸-碱平衡 acid base determination 酸碱测定法 acid forming base 【医】 成酸硷...
Acid-base indicatorsOrganic compounds that change color with the acidity or basicity (pH) of solutions; also known as p…Hanson, Allen L
add base. 2、what happens ?indicators need a ph change of about 2 units to show a colour change.the range of ph over which indicator changes colour is known as its range.titration curvesstrong acid- strong basewhat indicator is suitablethe ph range at end point (vertical part of graph) ...
网络释义 1. 酸碱指示剂 常用的各种指示剂 ... 常用的各种指示剂 Common Indicators酸碱指示剂Acid-base Indicators荧光指示剂 Fluorescent Indicator… www.360doc.com|基于18个网页 2. 酸硷指示剂 酸硷指示剂(Acid-Base Indicators) » 高瞻自然科学教学资源平台由於pH指示剂在不同pH值的溶液中能产生可逆的色泽变...
Theindicator,addedtothesolution,musthaveadifferentcolor whenthesolutionhasexcessbaseversesthecolorwhenthereisan excessofacid. 3 Acid-BaseIndicators Howdotheseindicatorswork? Theseindicatorsareweakacids(orbases)whoseconjugatebase (oracid)havedifferentcolors. ...
An acid-base indicator is either aweak acidorweak basethat exhibits a color change as the concentration of hydrogen (H+) or hydroxide (OH-)ionschanges in anaqueous solution. Acid-base indicators are most often used in a titration to identify the endpoint of an acid-base reaction. They are...