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如何鉴别荧光增白剂的纯度是否为99.5%


网址:http://www.scvc8.com  时间:2019-06-28 15:40:52

  根据国家统计局的数据不难看出,中国在整个化学工业是一个严重的萎缩在2014年,这导致了该行业并不是难以预计,一个是受全球经济低迷的影响,第二个是全中国的房地产行业在中国市场低迷衰退,三是政府改变导致整个公园的环境污染行业。
  According to the data of the National Bureau of Statistics, it is not difficult to see that China's chemical industry as a whole is a serious contraction in 2014, which has led to the industry is not unpredictable, one is affected by the global economic downturn, the second is China's real estate industry in China's market downturn, and the third is the environmental pollution industry of the whole park caused by government changes.
  如何鉴别荧光增白剂的纯度是否为99.5%-荧光增白剂OB-1:http://www.scvc8.com
  How to identify whether the purity of fluorescent whitening agent is 99.5%-fluorescent whitening agent OB-1:http://www.scvc8.com
荧光增白剂OB-1
  目前市场上荧光增白剂的检测方法有几种:
  There are several detection methods for fluorescent whitening agents on the market at present.
  首先,最简单的是看外表用肉眼和少量的塑料袋摩擦测试,会觉得添加剂的存在(平滑度和颜色一致),如果添加钙粉、二氧化钛、分散剂或色素,有经验的人可以做出判断。可根据粉体的外观来区分,有时有添加剂混合不均,会出现与其增白剂外观不同的情况。二是用回收材料做板材试验。与纯打板比较手表打板百度,最后,目前最准确的是用液相色谱仪来检测。测试增白剂的峰值高度,以确定其是否纯净。
  First of all, the simplest is to look at the appearance of a small amount of plastic bags with the naked eye friction test, will feel the existence of additives (smoothness and color is the same), if adding calcium powder, titanium dioxide, dispersants or pigments, experienced people can make judgments. It can be distinguished according to the appearance of the powder. Sometimes the additives are mixed unevenly, and the appearance of the additive is different from that of the whitening agent. The second is to use recycled materials for plate test. Comparing with pure punching board, Baidu is the most accurate one to detect by liquid chromatography at present. The peak height of whitening agent was tested to determine its purity.
  以上是荧光增白剂OB-1小编为大家整理的相关内容,想要了解更多内容,欢迎点击我们网站:http://www.scvc8.com
  The above is the relevant content of fluorescent whitening agent OB-1. For more information, please click on our website: http://www.scvc8.com.

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