向著某一天終于要達到的那個終極目標邁步還不夠，還要把每一步驟看成目標，使它作為步驟而起作用。
     泰安實驗臺安全提示：實驗室使用過程中肯定要學會實驗室安全知識，讓我們在實驗中可以放心安全實驗！
（1）使用易燃、易爆、腐蝕和有毒的化學藥品及電器設備等時，應嚴酷遵守操作規程。使用電器設備應分外仔細，切不可用濕潤的手去開啟電閘和電器開關。凡是漏電的儀器不要使用，以防觸電。電器使用完畢應切斷電源。
（2）實驗室嚴禁飲食、吸煙，統統化學藥品禁止入口。實驗完畢應洗手。
（3）使用鉻酸洗液、濃酸、濃堿等具有強腐蝕性的試劑時，切勿濺在皮膚和衣服上。實驗中遇到有濃酸、有毒或有刺激性的氣、液體等情況時，應在透風櫥內操作。用試管加熱液體時，試管口不能對人。不可俯視正加熱的容器。
（4）認識消防器材的存放地點和使用方法。碰到不測事故，應立即采取響應措施處理。
化學試劑和實驗用水的常識 實驗室最普遍使用的試劑為一樣平常試劑，可分為四個等級，其規格及適用范圍現實應用中要根據實驗的要求，本著節約的原則，合理選用不同級別的試劑。在能知足實驗要求的前提下，盡量選用低價位的試劑。
   Safety of Tai'an experimental station remind: laboratory use process must learn to laboratory safety knowledge, let us in the experiment can rest assured that the safety experiment!
   (1) the use of flammable, explosive, corrosive and toxic chemical and electrical equipment, should strictly abide by the rules. Be especially careful use of electrical equipment, must not use wet hand to open the switch and electrical switch. All the instruments do not use electric leakage, to prevent electric shock. Electrical appliances after use should be cut off power supply.
   (2) laboratory diet, smoking is prohibited, prohibited all chemicals entrance. The experiment is finished should wash their hands.
   (3) reagents using chromic acid, sulfuric acid, strong alkali and other strong corrosive, not to splash on the skin and clothes. Experiments have concentrated acid, toxic or irritating gas, liquid, etc., should be operated in a fume hood. When liquid is heated tube, tube mouth not to people. The container is heated without overlooking.
   (4) location and method of use familiar with firefighting equipment. Had an accident, should immediately take corresponding measures for treating.
Chemical reagent and the experimental water knowledge
    The most commonly used laboratory reagents for general agent, can be divided into four levels, the size and scope of application are shown in table 1-1. The practical application according to the requirements of the experiment, based on the principle of conservation, rational use of reagents with different levels of. To meet the experimental requirement, try to use reagent and low price.
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