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Fertilizer Potassium Nitrate CAS No:7757-79-1
Fertilizer Potassium Nitrate CAS No:7757-79-1

Fertilizer Potassium Nitrate CAS No:7757-79-1:

 

Molecular Formula:KNO3

CAS No.: 7757-79-1

Relative Molecular Weight: 101.1

Quality Standard: GB 1918-2011

Place of Origin: Shanxi, China (Mainland)

Potassium nitrate is a source of potassium and nitrogen, two macro nutrients (primary nutrients) essential for plant nutrition and growth. Since healthy growth requires large amounts of nitrogen and potassium, these elements have to be added to the soil in order to achieve healthy growth.

The use of agricultural potassium nitrate can increase the yield, improve the quality, early maturity, enhance disease resistance, prolong the freshness period.

 

Index Name

First Grade

Qualified Grade

Agricultural Grade

Actual Value

Purity (KNO3-) % ≥

99.4

99

98

99.4

Water content (H2O) % ≤

0.10

0.30

1.0

0.06

Chloride content (based on Cl) % ≤

0.02

0.10

0.30

0.009

Insoluble substance in water % ≤

0.02

0.05

0.007

Sulfate content (based on SO42) % ≤

0.01

0.005

Fe % ≤

0.003

0.003

K2O % ≥

45.5

46

N % ≥

13

13.5

 

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