ISO 5314:1981 ✓ Most Recent

718614

Fertilizers - Determination of ammoniacal nitrogen content - Titrimetric method after distillation

standard by International Organization for Standardization , 05/01/1981

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Full Description

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.

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Product Details

Published:

05/01/1981

Number of Pages:

4

File Size:

1 file

Note:

This product is restricted and cannot be purchased in the following countries Ukraine, Russia, Belarus