Substances made up of an aggregation of small particles, as that obtained by grinding or trituration of a solid drug. In pharmacy it is a form in... | Contact experts in Powders to get answers
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Questions related to Powders
Hi Folks, I have two molecules with almost same structure let say A and B ..A is the starting molecules/material for B by displacing OH group to an etheric group. So the strutures almost same:...
26 February 2022 9,231 0 View
Flexibility is a rather ambiguous concept and given that the ligand chosen for investigation involves quite rigid anthracene and pyridinium components, the degree of "flexibility" that it may have...
25 February 2022 7,030 3 View
I am looking for the cif file for the compound above. I tried to search various websites but still unable to find it.
24 February 2022 3,638 2 View
my zinc acetate solution in dionised water(20 ml) gels by adding just a drop of the complexing agent diethalonamine (DEA) to it in order to release the Zn+2 ions and this phenomenon manifests when...
23 February 2022 9,913 1 View
Dear all. I am interested in the powderization process for liquid components using spray drying and freeze drying. There are quite so many factors involved in such processes, and optimization of...
22 February 2022 8,932 6 View
Dried powder of plant material kept for over a year
22 February 2022 6,901 2 View
what is the ratio to take a powder to make a pellet if I have more than 2 or 3 powders?
22 February 2022 870 1 View
In a gas turbine nozzle made of cobalt-based superalloy, the grain size is larger than normal. What are the differences between this part in terms of mechanical properties with another part that...
22 February 2022 1,981 9 View
I intend to analyze samples containing mainly ketones, carboxylic acids, aldehydes etc. What is the standard procedure for calibrating these compounds using an internal standard (for instance,...
22 February 2022 6,831 3 View
For instance can ZnO nanoparticles show more XRD peaks than that for the bulk ZnO powder and why may that happen?
21 February 2022 6,137 8 View
Hi everyone. Has anyone some experience with expired powder gelatin to be used for flask coating? Thank so much. Marika
21 February 2022 9,434 3 View
The effect of dimensions (particle size distribution) on catalytic activity can be an interesting subject of research. Does morphology and particle size (particle size distribution) have a...
21 February 2022 2,561 3 View
I am attempting to perform an Anthrone protocol for carbohydrate determination. The first step is to prepare anthrone reagent by dissolving anthrone powder in sulphuric acid (70%) to a final...
16 February 2022 3,743 1 View
Dear Experts Which technique is better to use for heavy metal detection in biological samples (dry and fine powder of quantity ranging from 0.03 to 5 milligram )?
16 February 2022 2,563 15 View
I want to know the lifetime of a titanium sol (TIO2).
16 February 2022 9,608 3 View
I have rubber formulation in phr. To know the amount needed for that formulation, I am confuse to weigh using weighing balance or measure in volume since my additive are in dispersion (4 additive)...
16 February 2022 5,649 3 View
Can anyone suggest a well studied powder or bulk sample that I can use as a reference sample for a impedance spectroscopy setup that I'm putting together? I would like some material, preferably a...
15 February 2022 4,313 1 View
Is hemoglobin included in the proteins determined by Pierce BCA Protein Assay?
15 February 2022 4,504 1 View
For quantitative estimation of IAA, need to prepare Salkowski reagent. In some literature perchloric acid was used and in some, sulfuric acid, so please suggest me which one shall I use? And also...
14 February 2022 6,201 8 View
I have come across fluorescein and alandronate combined probe for bone pH analysis but I have not seen anything similar with indocyanine green. Are there any studies regarding indocyanine green or...
14 February 2022 7,755 0 View
Hello everyone. I am preparing photocatalysts based on g-C3N4 and Co3O4, but the junction formed is type II, is there any method to make sure that the junction formed is s scheme junction.
13 February 2022 1,377 4 View
Please can anyone share the best procedure for the synthesis of copper nanoparticles using ascorbate in water? I need a maximum possible concentration and monodisperse size between 10 and 100 nm....
12 February 2022 7,562 5 View
Can degassing temperature and time affect the BET surface area? I changed the temperature and time from 80 to 120 degree and from 2h to 10 h respectively, and observed a significantly increased...
12 February 2022 7,392 9 View
I've synthesized a MOF (Metal-Organic Framework, a crystalline particle), and I wanted to see what effects sonication has on its structure. I expected it to lose its crystalline properties, but it...
11 February 2022 9,343 4 View