Article List
- Dry grade Magnesium sulfate heptahydrate produced by Rech ChemicalMagnesium sulfate produced by Rech Chemical refers two grades, Spin-dry Grade and Warm-dry grade magnesium sulfate.Product News August 23, 2016
- Excess iron in zinc sulphate will change it's color?Zinc sulfate is widely used in artificial fiber, fertilizer, chemicals, medicine, mining and other industries. Refine is one of most important procedures in producing zinc sulfate, especially removing iron. Generally speaking, the content of Fe+ is no more than 0.02%. If Fe exceeds 0.5%, zinc sulfate would turn green or red. And it couldn’t be used as the raw material in rubber, medicine or other electronic industry.Product News August 23, 2016
- How does container inspection of Huangpu Customs proceed?Rech Chemical Co. Ltd generally exported zinc sulfate through Huangpu port. It’s very common for us to receive the customs check notification. How does the customs inspection proceed?Industry News August 19, 2016
- Why zinc sulfate heptahydrate applied more than zinc sulfate mono in mining?Zinc sulfate is a widely applied chemical in floatation minerals separation, which is generally to separate copper. It’s well known to us that zinc sulfate includes zinc sulfate monohydrate and zinc sulfate heptahydrate, which both can be used in mineral separationProduct News August 19, 2016
- The crushing & filter technology of ferrous sulfate particlesThere’re basically two kinds of manufacturing methods for ferrous sulfate monohydrate, one is wet method, and another is wet method. Wet process only can produce powder; dry process can produce both granule and powder with filtering.Product News August 19, 2016
- Free of charge for Certificate Of Origin in HunanHunan is the most important producing and exporting areas for micronutrient fertilizers as zinc sulfate, manganese sulfate and so on. Hunan foreign trade enterprises need to pay much on Certificate of Origin procedures before exporting. However, since August 1, 2013, for those enterprises, it’s totally free on CO procedures as registration fee, visa fee and handling charge until Dec 31Industry News August 18, 2016
- Continuous severe heat reduce zinc sulfate heptahydrate outputSeveral months ago, Rech Chemical Co. Ltd had shared an article about how to produce zinc sulfate heptahydrate with high output and quality. In this summer, continuous severe heat holds the middle-south of China, as Hunan and other places, which has affected zinc sulfate heptahydrate’s output.Product News August 18, 2016
- How to use zinc sulfate to control little leaf disease of fruit trees?Fruit trees are a kind of perennial root-plant. For fixed in one place through all its life, it’s always easy to lack nutrient elements, especially trace elements. Lobular disease is the typical symptoms of zinc deficiency, which zinc sulfate is the best solution for fruit tree lobular disease at this time.Product News September 22, 2016
- How to deal with ferrous sulfate stained clothes?Lisa Chen, one of stuff from Rech Chemical Co. Ltd samples department, often need to pack bag samples which are sented to customers at home and abroad. As the she pack more samples, it’s inevitable to be stained by ferrous sulphate monohydrate on clothing or shoes. Being infected with ferrous sulfate, clothes often appears yellow stains. Whatever how Lisa washed the stains, they cannot be cleared up. Lisa how to do?Product News September 22, 2016
- Summary the usages of ferrous sulfate in water treatmentFerrous sulfate, also known as green vitriol, copperas, iron vitriol, is widely used as flocculating agent, reducing agent, the precipitation agent in sewage treatment. Many domestic and foreign customers come to purchase ferrous sulfate from Rech chemical Co. Ltd. Ferrous sulfate is mainly used in water treatment.Product News September 21, 2016