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How should we use phosphorus-free laundry detergent to be more effective

by:Jingliang     2023-07-02
How to choose and use the phosphorus-free washing powder produced according to the standard? How to choose and use the phosphorus-free laundry powder produced according to the standard? Phosphorus-free washing powder is closely related to daily life, but phosphorus-free washing powder has certain toxicity. If it invades the human body, it will cause hemolysis, thymus gland damage, decreased body resistance, and can also cause diarrhea, ... Generally produced according to the standard How to choose and use the phosphorus-free laundry detergent? How to choose and use the phosphorus-free laundry powder produced according to the standard? Phosphorus-free washing powder is closely related to daily life, but phosphorus-free washing powder has certain toxicity. If it invades the human body, it will lead to hemolysis, thymus gland damage, decreased body resistance, diarrhea, weight loss, atrophy, liver cirrhosis, etc. Therefore, you can only use it with confidence if you choose qualified products. Phosphorus-free laundry detergents produced according to the standard are usually marked with two performance signs: numbers and texts on the package: the numbers and model signs indicating the performance. main determinant. For example, type 30 means that its surfactant content is 30%, which is a washing powder, which can wash wool and silk; type 20 means that its surfactant content is 20%, which is a low-grade alkaline washing powder, suitable for washing linen fabrics; There are also Type 25, Type 28 and so on. The text marks indicating performance are mainly divided into five categories: (1) high-foaming type (ordinary type), phosphorus-free washing powder is suitable for hand washing; (2) low-foaming type, containing polyether and soap ingredients, high efficacy and less foam , easy to rinse, it is a washing machine; (3) bleaching type, containing sodium borate or sodium percarbonate, has a bleaching effect in hot water above 60 ℃, suitable for washing white clothes; (4) enzyme-added type, containing biological Catalyst, which can decompose sweat stains, milk stains and blood stains on clothes, and it can be used in 45 ℃ water; (5) Brightening type, containing fluorescent whitening agent, white clothes can be brightened, and colored clothes can be brightened. If consumers have no way of judging whether the product uses the 'national standard', it is best to choose quality-guaranteed washing powder such as inspection-free products and products. Pay attention to the selection of appearance, and the third is not to buy from unlicensed stalls, so as not to be fooled. Do you know what is the main ingredient of phosphorus-free laundry detergent? The main component of phosphorus-free laundry detergent is an anionic surfactant: sodium alkyl benzene sulfonate. It itself is weakly alkaline. The common dirt on clothing is generally organic stains, such as sweat, food, dust, etc. Organic stains are generally acidic, making the washing solution in an alkaline state is conducive to the removal of such stains, so a considerable amount of alkaline substances are added to the phosphorus-free laundry detergent. Commonly used are soda ash and water glass. Note: 1. Although the alkalinity is beneficial to the washing of clothes, excessive alkaline substances will cause damage to the clothes and skin. Synthetic surfactants have long been found to have side effects such as making hands thicker. It is regarded as a major public hazard that pollutes the environment. Therefore, corresponding regulations are made on the alkalinity of phosphorus-free washing powder, and qualified phosphorus-free washing powder should meet these requirements. 2. In addition to this, there are all kinds of 'cheap' phosphorus-free builders, such as sodium carbonate (soda ash), sodium silicate (water glass) and their complexes in various proportions. These alkaline substances can form precipitates with hard water, which can result in hard, yellowing clothes over long periods of time. On the contrary, it makes the washing effect worse. Therefore, common phosphorus-free washing powders are strongly alkaline (PH value exceeds 12), and gloves should be worn during use to reduce skin irritation; phosphorus-free washing powders cannot be completely dissolved during use, leaving residues It is easy to cause clothing damage, and it is not easy to rinse.
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