Article List

• Depressor for Sphalerite -- zinc sulphate

  In the mineral processing, zinc sulfate, lime, cyanide, sodium sulfide are the commonly used depressor. Applied together with other agents, zinc sulfate is a good depressor for sphalerite.

  Product News October 17, 2017
• How long is the validity of ferrous sulphate?

  As for the ferrous sulphate monohydrate, the availability period is about one year. Dry grade ferrous sulphate heptahydrate validity is the same as monohydrate. If customers keep ferrous sulphate beyond its validity, the metamorphic would appear. How is the metamorphic of ferrous sulphate created?

  Product News September 11, 2017
• Rech Chemical teach you zinc sulfate solution to treat tobacco mosaic disease

  Some tobacco planting farmers often inquire Rech Chemical Co. Ltd for agricultural grade zinc sulfate. On the one hand, zinc sulfate can supply zinc trace elements to tobacco, on the other hand it also treat the plants’ virus. At present, zinc sulfate foliage spraying is one of the best ways to treat tobacco Mosaic disease.

  Product News October 12, 2017
• How to cure the peanuts root rot?

  The main diseases in peanuts root have: bacterial wilt, root rot and stem rot. It is all called “dead plant”. These diseases usually endangered seedlings, and it will still happened in the plant of adult stage. How to cure the peanuts root rot?

  Product News October 11, 2017
• The influence of excessive fertilizer on the soil

  As we all know, the right fertilizer and correct amount was very important when customers use zinc sulfate and other micro-nutrient fertilizer. By any careless, excessive amounts of zinc not only make plants poisoning but also greatly influence the soil.

  Industry News September 28, 2017
• Ferrous sulphate heptahydrate used in adjust alkaline soil PH

  Alkaline soil is also called the calcareous soil, throughout the north and northwest semi-humid, semi-arid and arid areas. From these regional provinces to customers, ferrous sulfate heptahydrate mainly used in adjust soil PH.

  Product News September 18, 2016
• Notes of foliar spraying in rainy season

  Frequent rainfall in rainy season have great influence on fruiting and sprouting that cause deficiency symptoms occur in some orchard. Moreover, compared to soil fertilizing, zinc sulphate spraying on fruit trees is more proper and necessary to supply nutrition for the fruit trees. There’re some notes when spraying for fruit trees:

  Product News September 26, 2017
• The updated new standard for water soluble fertilizers

  Zinc sulfate, as one of key products of Rech Chemical Co. Ltd, is also a kind of soluble micro-elements. To June 1, the manufacturing standard of water soluble fertilizer will be more strictly regulated.

  Industry News September 20, 2017
• Zinc deficiency may caused by improper NPK fertilizer

  Zinc sulphate fertilized wheat generally increase 14.2% yield than such fields without zinc fertilizer. However, someone may think zinc deficiency in the soil is caused by less zinc and then continuously apply zinc sulfate fertilizer. Actually it not always be this.

  Product News September 13, 2017
• RMB hits the highest record against US dollar

  "RMB revalue again", in the morning, Mr. Liu, who works in Rech Chemical’s ferrous sulphate foreign trade Dep., conveys the news to other colleagues. Recently, the foreign exchange rate fluctuation. According to the latest data in the China foreign exchange trade center, on September, 8, 2017, the middle price of RMB against US dollar is 6.48. Compared with previous trading day, it continues to rising,and had hit the highest record since months ago.

  Industry News September 13, 2017