Potassium nitrate KNO3

Molecular weight: 101.11

[Appearance] It is a colorless and transparent rhombohedral or rhombic crystal, easily soluble in water, insoluble in ethanol, and not easily deliquescent in air. This product is a strong oxidant and can ignite and explode when in contact with organic matter.

Application areas: Used for fireworks, black powder, matches, fuses, match cores, tobacco, ceramic glazes, glass, fertilizers, combustion aids, etc., used for solar thermal storage salts, thermal lava, and also for metal heat treatment salts; Metallurgical industry, food industry and other auxiliary materials.

Execution standard: GB/T 1918-2021


project		index
class Ⅰclass Ⅱclass ⅢFactory standard
type Ⅰtype Ⅱ
硝酸钾(KNO3)(以干基计)    %≥99.8 99.6 99.4 98.5 99.80 
moisture content               %≤0.1 0.1 0.12 0.1 0.1 
Water insoluble substances        %≤0.01 0.01 0.03 0.02 0.01 
氯化物(以Cl计)            %≤0.01 0.02 0.02 0.02 0.01 
硫酸盐(以SO4计)           %≤0.005 0.005 0.01 0.01 0.01 
碳酸盐(以CO3计)           %≤0.01 0.01 0.01 0.45 0.01 
铵盐(以NH4计)             %≤0.02 0007 一一—
Moisture absorption rate % ≤一0.2 0.25 一0.20 
Looseness (sieving rate through 4.75mm test)% ≥一一一95 95 
铁(Fe)                    %≤0.003 0.003 一一0.003 
钙(Ga)                    %≤0.001 一一一0.001 
镁(Mg)                    %≤0.001 一一一0.001 
钡(BA)                    %≤0.001 一一一一
锌(Zn)                    %≤0.001 一一一一
锰(Mn)                    %≤0.001 一一一一
铜(Cu)                    %≤0.001 
一		一一一
镉(Ge)                    %≤0.001 
一		一一一
铬(Cr)                    %≤0.001 
一		一一一
铅(Pb)                    %≤0.001 一一一<0.001
Organic anti caking agents should not be added to Class I and Class II Type I products

Packaging: Inner plastic and outer woven, net weight 20Kg, 25Kg, 50Kg per bag, stored in a ventilated and dry place

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