Water in ammonium and potassium peroxodisul- phate (persulphates)

KF Application Note No. K- 29 Title: Water in spices (marjoram, nutmeg, pepper) Summary: The water content of spices is determined according to Karl Fischer. To release the water from the cells a high-frequency mixer has to be used. Sample:…

KF Application Note No. K- 15 Title: Water in sweet liquorice Summary: The water content of sweet liquorice is determined according to Karl Fischer. To dissolve the sample a mixture of methanol and formamide is used as solvent and a…

KF Application Note No. K- 24 Title: Water in smoked fish (salmon, trout) Summary: The water content of smoked salmon and smoked trout is determined according to Karl Fischer. Sample: Smoked salmon and smoked trout Sample Preparation: Cut up the…

KF Application Note No. K- 23 Title: Water in ethylene dichloride Summary: The water content of ethylene dichloride is determined according to Karl Fischer. As the sample may contain free chlorine, which interferes with the determination, separate KF reagents have…