Hello,
I am trying to convert to convert ppm of a solution to μmoles/g of dry sample.
μmoles/g= ppm / Molecular Weight (g/mol)
There is huge pressure of getting good impact factor on scholars now a days. On the other hand Taxonomy is a very dry subject and the concerned papers can only get citation in same group of organism.
26 February 2021 5,851 1 View
Hello I'm currently working on a topic related to studying the anaerobic biodegradation of TPH in marine sediments. In this work, sediment should be mixed with fuel oil to a concentration of 20 g...
24 February 2021 9,839 3 View
24 February 2021 1,365 3 View
24 February 2021 5,378 1 View
I am working on synthesizing and then purifying peptides using the SPPS system. After purification of the peptide, the peptide powder is obtained using a freeze dryer. When measuring the powder,...
22 February 2021 10,099 5 View
Trying to gather insight from an unresolved discussion with a colleague here, and either the available literature surrounding this topic and/or my keywords in search of are lacking. Context:...
21 February 2021 6,389 3 View
Several times I lost my sample during freeze drying. There was no solid or powder in the vial after freeze drying. I'm sure sample contained solute because i took its NMR spectrum. I covered the...
15 February 2021 6,749 2 View
Weight moisture is : water content/ dry weight , if for example it is 4 it means that this plant have for each 1gam of dry mass 4 grams of water. can i use this to interpret the plant use of...
14 February 2021 5,784 1 View
09 February 2021 6,307 3 View
I want to prepare liposomes made of azolectin (sometimes spelled as asolectin). I start with the azolectin powder, and many protocols say that I should wash it with acetone (dissolve, centrifuge,...
04 February 2021 2,738 3 View