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How much do you know about the knowledge quiz about detergent?

by:Jingliang     2023-06-23
How to choose dishwashing detergent (detergent)? Answer: To buy dishwashing detergent (washing liquid) in the market, firstly, look at the identification label. The label (or bottle body) should have the production license number, production date, factory name, and factory address. In addition, the regular manufacturers also indicate the instructions for use. , Implementation standards, net content, shelf life, etc. Secondly, look at the sensory indicators of dishwashing detergents. Liquid products should have no odor, no stratification, no suspended solids, and no sediment. Is the thicker the detergent the better? A: The thicker the detergent is, the better. The detergency of the detergent is not necessarily related to the consistency. The consistency is only due to the addition of thickeners, and the appearance is good. It does not have much effect on decontamination, but increases the ineffective cost. It is the active agent that really determines the decontamination effect. The more active agent added, the better the stain removal. What should the appearance color be? What are the factors that affect color? A: The appearance requirements of the detergent in the national standard for detergent are: the liquid product is not layered, and there is no suspended solids or sediment. Most common detergents are light yellow, generally lighter in color. How to use dish soap correctly? Answer: When washing dishes with dishwashing liquid, there are mainly two washing methods: (1) When soaking and washing, dilute the dishwashing liquid to 200~500 times with water (the washing concentration is preferably 0.2~0.5%), and the soaking time is 2 ~5 minutes is appropriate, after scrubbing with a sponge or rag, rinse with running water. (2) Pour the detergent directly on the sponge or rag, dip it in a small amount of water, and then scrub the tableware, and then rinse it with running water. It is recommended to use the second washing method. This method has high washing concentration and better washing effect. Even for heavier greasy dirt, it can be washed well. When washing vegetables and fruits with detergent, dilute the detergent with water to 200~500 times (the washing concentration is preferably 0.2~0.5%), and the soaking time is preferably 5 minutes. Residual pesticides and other substances on the fruit must be rinsed with running water repeatedly after soaking. Is the more foam the detergent has, the better? A: The amount of foam in detergent is related to the formula. At present, most detergents are anionic surfactants. In general, the more foam the better, but too much foam makes it difficult to rinse off. The main factors affecting the foam level of detergent are: 1. It is related to the type and content of surfactants used. Some surfactants, such as anionic surfactants, have more foam, while non-ionic surfactants are relatively less. 2. It is related to the condition of dirt. Generally, the dirt increases (especially oily dirt) and the foam decreases. 3. It is related to the conditions of washing. If the water temperature is high, the foam will be eliminated faster.
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