洗衣粉去污力实验设计（Washing powder, detergency, experimental design）.doc

洗衣粉去污力实验设计（Washing powder, detergency, experimental design） At present, there are a variety of washing powder on the market, such as Tide, Omo, white, super, Diaopai, washing powder in the market dizzying, how should we choose, choose what brand, what brand of washing powder for the best cleaning effect we stains on clothing, we can get the answer from the following design in. 1 kinds and composition of washing powder 1.1 kinds of washing powder From the classification, combination of washing powder can be divided into single from activity to a variety of active substance; from a single high foam type to a low bubble, at the same time, in the laundry powder can be added to a variety of accessories to form enzyme powder, concentrated powder, sterilizing powder, bleaching powder and soft antistatic powder etc.. According to the Ministry of light industry synthetic washing powder standard requirements, Chinas production of washing powder is divided into three categories, one of which is the general type, the two category is low bubble type, the three category is concentrated type. The ordinary type is high foam type, ordinary washing powder (A) particles are large and loose, good solubility, foam is rich, but the detergency is relatively weak, not easy to rinse, generally suitable for hand washing; low foam containing polyether and soap composition, high efficiency and less foam, easy to rinse, special for washing washing machine; concentrated in the water by adding a small amount of washing powder can play a good washing effect, but its price is relatively higher. Concentrated washing powder (B), small particles, large density, less foam, but cleaning power is at least two times the ordinary washing powder, easy to clean, save water, generally suitable for washing machine. Some consumers mistakenly believe that the more foam powder, the better, in fact, the number of bubbles and decontamination force is not directly linked. In addition, washing powder can be divided i