几种洗衣粉市场样品的质量分析

Quality Analysis of Several Laundry Detergent Market Samples

采集了12款洗衣粉市场样品,包括7款国内市场粉样和5款南非市场粉样,按照GB/T13171.2—2009《洗衣粉(无磷型)》分别对市场样品的外观、水分、p H值、白度、表观密度、总活性物、阴离子表面活性剂、去污力等8项理化指标进行了测试。结果表明:(1)国内市场粉样和南非市场粉样有差异,国内粉以白色粉配有色粒子为主,南非粉有蓝色粉有色粉;(2)12款洗衣粉市场样品的总活性物都大于13%,符合GB/T13171.2—2009《洗衣粉(无磷型)》的要求;(3)12款洗衣粉市场样品的去污力均大于标准洗衣粉。

12 market samples of laundry detergent were collected,including 7 domestic market samples and 5 South African market samples.According to GB/T 13171—2008 laundry detergent,8 physical and chemical indicators such as appearance,moisture,pH,whiteness,apparent density,total active substances,anionic surfactants,and detergency of the market samples were tested.The results show that:1)there are differences between the powder samples in the domestic market and the powder samples in the South African market,the domestic powder is mainly white powder mixed with colored particles,while the South African powder has blue powder and color powder;2)the total active matter of 12 washing powder market samples is greater than 13%,meeting the requirements of GB/T 13171—2008;3)the detergency of 12 market samples of laundry detergent is greater than that of standard laundry detergent.