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Questions related from Jan David
Dear polymer science colleagues, Is there any short and sound peer-reviewed literature (paper/book) and a short answer why especially rubbers get by degradation and using sticky? Various polymers...
19 January 2023 5,821 2 View
Hi to all polymer physicists, is it possible, that E modulus of Jello (or it's German version "Göttersspeisse" - the protein content may differ) is, according to the concentrations of the Jello...
31 January 2019 4,479 3 View
Hi all,could anyone give me a hint, in which pyrolysis products can potassium ferrocyanide K4[Fe(CN)6] (Yellow Prussiate of Potash) degrade? I would pyrolyze it to about 1100 °C in Ar flow a TGA...
04 February 2017 5,860 3 View
Hi, are there any microwave digestion/oxidation procedures for sulfides (e.g. Na2S, Na2Sx, Ag2S) for further determination of S via ICP-OES ?I need to do the digestion, since the sulfur in...
17 January 2017 8,368 2 View
Is there any (both organic or inorganic) chemical, which is easily usable as a pyrolysis "internal standard" for TGA-MS? So, it will not evaporate immediately when evacuating the TGA chamber, but...
07 July 2016 3,791 1 View
Is there any company or institution, which sells standards of a clean PET (without plasticizers, reinforcements, stabilizers, pigments)? Ideally in a pulverized form (particles in µm range, not...
02 October 2015 9,823 7 View
1) Do you know any more sulfur compounds, which are surely present in the wastewater (generally household wastewater) and city wastewater treatment plants [except H2S, methane-, ethane-, butane-...
19 November 2014 6,868 3 View
