Search for dissertations about: "HPLC DPA"

Found 2 swedish dissertations containing the words HPLC DPA.

2. 1. Reactions in the System Nitro-cellulose/ Diphenylamine with Special Reference to the Formation of a Stabilizing Product Bonded to Nitro-cellulose

   Author : Torbjörn Lindblom; Bengt Nygård; Sten-Eric Lindquist; Uppsala universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; Analytical chemistry; Nitro-cellulose; NC; Propellant; Stabilizer; Diphenylamine; DPA; Stability; Shelf-life; Chemometry; FTIR; HPLC; Microcalorimetry; Analytisk kemi; Analytical chemistry; Analytisk kemi;

   Abstract : The methods HPLC, microcalorimetry and FTIR together with chemometry, provide good analytical tools to follow the degradation of nitro-cellulose.The degradation products formed from diphenylamine (DPA) during storage can be followed with HPLC. FTIR, together with chemometry, also gives the precision needed for safety control of propellants. READ MORE

4. 2. Human milk factors and atopy in early childhood

   Author : Karel Duchén M.; Olle Hernell; Linköpings universitet; []
   Keywords : MEDICINE; MEDICIN;

   Abstract : Background: The protective effect of breast milk against atopic manifestations in infancy, i. e. atopic eczema and food allergy, has been controversial for the last decades. Differences in the composition of human milk could explain these controversies. READ MORE