Knowledge of glassware：

  Instruments made of glass are called glassware. A lot of glass instruments are used in the laboratory because the glass has high chemical stability, thermal stability, good transparency, certain mechanical strength and good insulation. Glass instruments made from the excellent properties of glass are widely used in various laboratories, such as chemical laboratory, medical laboratory, Biological Laboratory, Scientific Research Laboratory and Teaching Laboratory. The chemical stability of glass is good, but it is not absolutely not erosion, but the degree of erosion to meet certain standards. Trace ions entering the solution and adsorbing solution on the surface of the glass due to the erosion of the glass are matters needing attention in microanalysis. Hydrofluoric acid corrodes glass very strongly, therefore can not use the glass instrument to carry on the experiment containing hydrofluoric acid. Lye, especially concentrated or hot lye, visibly corrodes glass. Lye Storage glass instrument if it is a grinding instrument will be grinding mouth stuck together can not open. Therefore, glass containers can not store lye for a long time.

  The glass is chemically solid, but it isn't always virtually unorganized, but the degree of corrosion is consistent with the important requirements. it's far a problem that the trouble need to be paid to the surface of the glass surface adsorption solution because of the corrosive ion into the answer and the floor adsorption answer of the glass floor. hyfulfffluoric acid is distinctly corroded with glass, so it cannot be carried out with a tumbler tool to carry out an test containing hydrofluoric acid. the alkali fluid, specifically concentrated or hot alkali to absolutely corrode glass. glass devices for garage bases also are now not able to open collectively if it is a grinding device. consequently, the glass field can not save the alkali answer for a long term.

  Trendy glass gadgets, which include beaker, flask, tapered bottle, test tube and tissue, and many others., can be brushed from the outer to water from the outer to the outer to water, simply so the water soluble substance, partly insoluble fabric and dust; if there is an natural matter consisting of oil, it could be washed with depassing powder, cleaning soap powder or washes. wipe with a hair brush with depass or washing agent, then brush smooth with tap water, and ultimately use distilled water or deionized water to wash the inner wall 2 to three times. washing glass contraptions must be moist from water and waterless stripes that have to be uniform and no water drops.