2022 Industrial Grade Colorless Needle Crystal Urea 46% For Agricultur/Urea fertilizer Urea 46% prilled

Product Overview

Description

According to ISO22241 standard
Test Items	Unit	specification
T-nitrogen	%	>46
moisture	%	<0.5
Biuret	%	<0.87
alkalinity(NH3)	%	<0.05
aldehyde	mg/kg	<15.4
insoluble matter	mg/kg	<61.5
PO4	mg/kg	<1.5
Ca	mg/kg	<1.5
Fe	mg/kg	<1.5
Cu	mg/kg	<0.6
Zn	mg/kg	<0.6
In	mg/kg	<0.6
Cr	mg/kg	<0.6
Mg	mg/kg	<1.5
Already	mg/kg	<1.5
K	mg/kg	<1.5
Al	mg/kg	<1.5

 

Urea has an ammonia smell and a salty taste. When heating temperature is higher than its melting point, it is decomposed into biuret, ammonia and cyanic acid. 1g soluble in 1mL water, 10ml 95%ethanol, 1ml 95%boiling ethanol, 20mL anhydrous ethanol, 6ml methanol and 2mL glycerol. Soluble in concentrated hydrochloric acid, almost insoluble in ether and chloroform. The pH of 10% aqueous solution is 7.23. Irritating.

 

Usage