What kind of cleaning agent is used in laboratory cleaning glassware?
The cleaning of glassware in the laboratory is usually under control. Many are equipped with many advanced testing equipment such as laboratory found that the use of goldfish, white and other household cleaning agents to clean delicate glassware. Self-configuring acid or acid chosen not proven to clean glassware, it is more common. The failure of many experimental results often requires repeated experiments, and the reason for the residue of the cleaning agent on the glassware is often overlooked when searching for the cause.
1. Problems with household cleaning agents:
The safety first design concept of household cleaning agent makes its pH generally neutral, no alkaline hydrolysis, limited cleaning ability, and can not effectively remove some stubborn experimental residues;
2, the high content of surfactants in household cleaning agents, resulting in a large amount of foam formation, it is difficult to rinse clean, and its residue is also likely to cause secondary pollution;
3, household cleaners in order to meet users often feel the need to add a perfume and a dye, the same can easily lead to residual secondary pollution;
In addition, household cleaning agents are added with various oil-based skin care ingredients, and these residues are more difficult to remove when cleaned. Glassware cleaned with household cleaners can cause erroneous results even with sophisticated instruments. It may also affect the results of chemical organic synthesis. Skin care ingredients of residual oils and fats may affect the growth of microorganisms or cause cross-contamination.
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