A device is designed to assess the ammonia removal effect of passive air purification products which derived the QB/T 2761-2006 Methods for determination of purificatory effect of indoor environment decontamination pr...A device is designed to assess the ammonia removal effect of passive air purification products which derived the QB/T 2761-2006 Methods for determination of purificatory effect of indoor environment decontamination product.The device is composed of three parts:ammonia generator,ammonia removal device and ammonia collection device,which is made up of common laboratory equipment.The reagents used are common acid and alkali reagents in the laboratory.During the experiment,5.0mL of 25%concentrated ammonia water is added to the ammonia generator as the ammonia source,and filter paper is used as the sample carrier.Take 3.0g sample and add it to the filter paper,after the ammonia is absorbed by the filter paper with the sample,the residual ammonia is collected and measured by acid-base titration.The ammonia removal efficacy of the sample is calculated by the ammonia absorption amount of the blank sample and the sample to be tested.This method has the characteristics of simple equipment,small area,toxic or harmful substance free,and fabulous accuracy.Four different samples were tested,and the results matched the standard method.展开更多
This paper was to describe the current situation and development prospect of the global laundry care market,and made a conjecture on the future development trend of polymers,and to list four kinds of polymers widely a...This paper was to describe the current situation and development prospect of the global laundry care market,and made a conjecture on the future development trend of polymers,and to list four kinds of polymers widely applied in laundry care products.展开更多
This paper briefly introduces the current laundry care market and the overall development trend in recent years,discusses in detail the four most popular laundry care claims in the market,analyzes the overall upgradin...This paper briefly introduces the current laundry care market and the overall development trend in recent years,discusses in detail the four most popular laundry care claims in the market,analyzes the overall upgrading of the laundry care market,and looks forward to the future prospects.展开更多
This paper briefly introduces the current status of Chinese laundry care market. By analyzing the mainstream laundry care products, this paper pointed out that a new wave of professional laundry care began to sweep th...This paper briefly introduces the current status of Chinese laundry care market. By analyzing the mainstream laundry care products, this paper pointed out that a new wave of professional laundry care began to sweep the Chinese laundry care market, and the three emerging laundry care categories began to attract the attention of the whole market and consumers, This paper analyzes the market claims of the above three types of products and the corresponding formula characteristics.展开更多
文摘A device is designed to assess the ammonia removal effect of passive air purification products which derived the QB/T 2761-2006 Methods for determination of purificatory effect of indoor environment decontamination product.The device is composed of three parts:ammonia generator,ammonia removal device and ammonia collection device,which is made up of common laboratory equipment.The reagents used are common acid and alkali reagents in the laboratory.During the experiment,5.0mL of 25%concentrated ammonia water is added to the ammonia generator as the ammonia source,and filter paper is used as the sample carrier.Take 3.0g sample and add it to the filter paper,after the ammonia is absorbed by the filter paper with the sample,the residual ammonia is collected and measured by acid-base titration.The ammonia removal efficacy of the sample is calculated by the ammonia absorption amount of the blank sample and the sample to be tested.This method has the characteristics of simple equipment,small area,toxic or harmful substance free,and fabulous accuracy.Four different samples were tested,and the results matched the standard method.
文摘This paper was to describe the current situation and development prospect of the global laundry care market,and made a conjecture on the future development trend of polymers,and to list four kinds of polymers widely applied in laundry care products.
文摘This paper briefly introduces the current laundry care market and the overall development trend in recent years,discusses in detail the four most popular laundry care claims in the market,analyzes the overall upgrading of the laundry care market,and looks forward to the future prospects.
文摘This paper briefly introduces the current status of Chinese laundry care market. By analyzing the mainstream laundry care products, this paper pointed out that a new wave of professional laundry care began to sweep the Chinese laundry care market, and the three emerging laundry care categories began to attract the attention of the whole market and consumers, This paper analyzes the market claims of the above three types of products and the corresponding formula characteristics.
