Now Hubei Spirit ferrous chloride environmental quality indicators back to the old and new customers: Premium product FeCl2 4H2O≥99%; primary products, qualified FeCl2 4H2O≥98% iron dichloride FeCl2> 60% chlorine bleaching agent. ferrous wholesale, acid insoluble <0.5%, free acid (based on HCl) <1.5% of the needs of customers can also inquire on the picture number, our professional sales chloride, ferrous chloride tetrahydrate chloride, ferrous chloride, ferrous wholesale price, low-cost sales of high purity ferrous chloride. Ferrous chloride, this product is now how to detect ferrous chloride manufacturers tell you to detect a ferrous chloride tetrahydrate crude main content: standard titration with potassium permanganate. 2, HCl main content detection: To about 3ml, home to about 20ml of water storage and has a precision that given the weight of the stoppered Erlenmeyer flask, accurately weighed, add water 25ml and 2 drops of methyl red indicator solution chloride 95% iron, with a sodium hydroxide solution (1mol / L). Each 1ml of sodium hydroxide (1mol / L) is equivalent to 36.46mg of HCl. 3, iron main content detection methods: titration. Iron dissolved in hydrochloric acid, hydrogen peroxide, the use of trivalent iron ions and iodide ions and thiosulfate oxidation-reduction reaction, the determination of iron content. Spot quality ferrous chloride, Hubei Saatchi environmental (certified), ferrous chloride Luotian County provided by the Hubei Environmental Protection Engineering Co. Spirit. Environmental Engineering Co., Ltd. Hubei Spirit (hbsshb.com) is a leader in Wuhan, water treatment chemicals, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In Hubei Spirit environmental leadership with the staff warmly welcome all inquiries negotiations to create a better environment Hubei future prosperity.