This standard specifies a procedure for the de-aeration of suspension samples for physical testing. The method is not suitable if the sample contains more than a trace of free ammonia, if there is permanent decomposition in the suspension, or if the sample is too viscous.
DS/EN ISO 10248:2000 history
2000DS/EN ISO 10248:2000 Fluid fertilizers - De-aeration of suspension samples by film disentrainment