The method of distinguishing between true and false urea

The main distinguishing methods of urea are one look, two checks, three names, four touches, five burns and six smells, which are introduced in detail as follows:

Take a look

True urea is a translucent and uniform five-color particle; if the surface color of the particle is too bright or dark, or shows obvious reflection, it may be mixed with impurities.

Second check

Check the batch number and seal of the package. The production batch number of the real urea package is clear and the machine seal is stacked on both sides; the production batch number on the fake urea package is not clear or not, and most of them are sealed by single-line manual sealing.

Three names

The difference between the urea produced by regular manufacturers and the actual weight is generally less than 1%, while the urea with fake real is very different from the standard weight.

Four touch

The true urea particles are of the same size and are not easy to agglomerate, so they feel better, while the fake urea hands feel burning and prickling.

Five burns

Real urea is placed on fiery red charcoal, which melts quickly, emits white smoke and smells of ammonia. For example, burning violently on the charcoal, glowing strongly, and with "hiss"; and if there is a phenomenon of endless melting, then there may be impurities in it.

Six smells

Under normal circumstances, urea from regular manufacturers has no volatile smell and can produce ammonia smell only after being exposed to moisture or high temperature; if the volatile smell is strong under normal circumstances, there are impurities in urea.