TitleProduct

50% Sop Fertilizer, Potassium Sulphate (K2SO4)

  • Price:

    Negotiable

  • minimum:

  • Total supply:

  • Delivery term:

    The date of payment from buyers deliver within days

  • seat:

    Jiangsu

  • Validity to:

    Long-term effective

  • Last update:

    2017-12-17 09:46

  • Browse the number:

    234

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Company Profile

Xuzhou Tianchang Chemical Co., Ltd.

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Contact:Ms. Anna(Mr.)  

Email:

Telephone:

Phone:

Area:Jiangsu

Address:Jiangsu

Website: http://tianchangchem.ksfelt.com/

Product Details

Property:
K2SO4 is a water soluble, physiological neutral fertilizer. It supplies K+ and SO42- quickly after application. It makes crops thrive and improves fruit quality, increases yield, and enhances resistance to disaster. It provides K+ without Cl-, especially suitable for plants avoiding Cl-, like tobacco, tea plant, grape, cane, beet, watermelon, potato and so on.
 
Specification:
Appearance: White or light yellow crystal
Purity: 98% min
Potassium (K2O): 50% min
Free acid: 0.03% max
Calcium: 0.01% max
Chloride and chlorate (Cl): 5ppm max
Iron (Fe): 2 ppm max
Arsenic (As): 1ppm max
Heavy metals (Pb): 5 ppm max
Water insoluble: 0.005% max
pH value (5% water solution): 5.0-8.0
 
Application
It can be used as basic fertilizer, additional fertilizer and seed manure. It is suitable especially for onions, garlic, hemp, potatoes and other crops which need high sulfur but avoid chlorine. For soil lack of sulfur, ammonium sulphate is favorite fertilizer.
For specific application rates follow the recommendation of a qualified individual or institution.

Note:
Long-term separate application causes soil acidification, deteriorate soil structure.
Apply small amount each time on sandy soil to reduce leaching, deep placement when apply in water field and calcareous soils, deeper when apply on dry land.
Not suitable for acid soil and calcareous soil.


Technical Name : POTASSIUM SULPHATE

Synonym

Sulphate of potash

CAS No.

7778-80-5

Molecular Formula

K2SO4

Molecular Weight

174.26

Description

White Powder

Specifications

Solubility

Freely Soluble In Water, Very Soluble In Boiling Water,

Assay

Min 99 %

Sulphur

Min 18 %

K2O

Min 50 %

Moisture

Max 0.5 %

Chloride

Max 2.5 %

PH Of 5% Sol

5-7

Water Insoluble

Max 0.05%