Sökning: "cation exchanger"

Hittade 2 uppsatser innehållade orden cation exchanger.

1. 1. Activity and stability of urease enzyme molecules for on-site urea measurement in milk

   Master-uppsats, Linköpings universitet/Sensor- och aktuatorsystem

   Författare :Emma Valtersson; [2022]
   Nyckelord :Kemisk biologi; urea i mjölk; biosensor;

   Sammanfattning : The nitrogenous metabolite urea is an important biomarker that indicates cows’ nutritional intake. Today, determining the urea concentration from milk samples requires analysis techniques in a lab which is time-consuming and expensive. LÄS MER

3. 2. Evaluation and optimization of cation exchanging materials for life-span optimization of engine oil

   Master-uppsats, Institutionen för fysik, kemi och biologi; Tekniska högskolan

   Författare :Mima Ceco; [2013]
   Nyckelord :cation exchanger; buffering additive; engine oil; total base number; pIH method; inductively coupled plasma atomic emission spectroscopy;

   Sammanfattning : Requirements of high performing engine oil are today necessary since the development of new machinery with modern standardsis a cutting edge technology demanding highly optimized components. One way of increasing the lubricating properties of engineoil is through the addition of antioxidants. LÄS MER