0,1-300µm
damp sample
Water + 0,1% Na4P2O7, + at least 10min ultrasonic bath LABOETTE 17
approx. 150-160mg of pre mixed/homogeneous sample + 20ml water + 0,1% Na4P2O7 + 10min ultrasonic bath LABORETTE 17
sample must be ..at least.. 10min ultrasonic