This International Standard specifies a gravimetric method for determining the humidity of potassium chloride for industrial use, that is to say a product whose minimum KCI content is approximately 95% (mlm). This limit, conventionally expressed in K20, corresponds to approximately 60% (mlm).
NBN T 03-224-1980 history
1980NBN T 03-224-1980 Potassium chloride for industrial use - Determination of moisture content - Gravimetric method