Shopping Cart

No products in the cart.

ISO 5314:1981

$13.00

Engrais — Dosage de l’azote ammoniacal — Méthode titrimétrique après distillation

Published By Publication Date Number of Pages
ISO 1981-05 8
Guaranteed Safe Checkout
Categories: ,

If you have any questions, feel free to reach out to our online customer service team by clicking on the bottom right corner. We’re here to assist you 24/7.
Email:[email protected]

The method consists in distilling of the ammonia from an alkaline solution, absorbing in an excess of standard volumetric sulphuric acid solution and back-titrating with standard volumetric sodium hydroxide solution. It is applicable only in the absence of urea or its derivatives, of cyanamide and of organic nitrogenous compounds.

ISO 5314:1981
$13.00