CHM110H5 Lecture Notes - Lecture 10: Ph Meter, Differential Amplifier, Buffer Solution
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Name: aysha anwar,student#1001210959 chm110h5 f, pra0140, ta: dr nageena amir assignment #2. Subject: appeal for replacement of ph meters at utm faculty laboratories. My name is aysha anwar i am a life sciences undergraduate student enrolled in the course. This letter was written for an appeal to purchase reasonable quality ph meters, in current utm laboratories. Since lab members including technicians, students, instructors and others are required to be precise and accurate when using equipment, it is necessary of faculty staff to have the best equipped materials. Since you are a professor of philosophy, let me foreshadow upon the history of the ph meter existence and what exactly it is used to measure. During the early 1900"s fretz haber; a scientist came about measuring interactions between liquids and solids and discovered a technique using a glass bulb which was used to measure the hydrogen activity.
