Detailed specification of scale and corrosion inhibitor
Due to the water quality stable dosage form number on the market is quite many, the category is complex, in the purchase is not good to distinguish between true and false, below we through the specific parameters to explain.
As the name implies, scale and corrosion inhibitor is a kind of water treatment reagent that can ease the corrosion speed and reduce the scale formation degree. The scale and corrosion inhibitor produced by ANDE Technology strictly follows the HG/T 3538-2003 standard issued by the state. The common scale and corrosion inhibitor on the market is a yellowish-brown transparent liquid. Its active component should be greater than or equal to 30.0 percent based on EDTMPS, and its phosphite should be less than or equal to 5.0 percent based on PO33-. As for organic phosphine and phosphoric acid based on PO43-, their project indicators are respectively greater than or equal to 10.0 percent and less than or equal to 1.0 percent. And in 1% aqueous solution, the pH value of scale and corrosion inhibitor is best between 9.5 and 10.5. Finally, the content of chloride. We all know that chloride is calculated by Cl-. The content of chloride in qualified scale and corrosion inhibitors should be less than or equal to 3.0 percent
| 青青久视频| 一道本免费观看视频| 97久久在线视频| 美女黄色毛片A片| 91AV一区二区三区| av天堂成人| 日韩av色色| 精品无码北条麻妃| 女同Av成人| 亚洲网色色| 亚洲一级影片| 日韩成人大片| 成人亚洲成人亚洲| 看黄AV不卡| 99全部精品| 色五月av| 看免费A级视频| AAA级久久久| 亚洲a片免费看| 淫秽黄色毛片| 日韩欧色色| 亚洲av爱| A级黄色网络| 在线色资源| 亚洲av女v黄色免费看| 日韩无码视频二区| 欧美中文A级片视频| 久久久久网在线播放| 黄色片子青草| wwwwww一级片| 日韩av黄色大片| 中文黄色A级片| 肏屄导航| 真实原创性爱| 91av在线下载| 国产精品亚洲色婷婷| 日韩无码A级| 一级av手机导航在线| 色播深爱网| 在线观看A片网站|