What is the concentration range that can be used in photometry?
I need a solvent which it can dissolve PbS (lead II sulfide) well. I can't use nitric acid because it destroy S2- in PbS.
05 June 2019 2,217 7 View
I read some papers about preparing phenolphtalein 0.05%. Add 0.05g phenolphtalein in a beacher and add 50mL ethanol 95% and 50mL distilled water. But I can exchange acohol content (such as 100mL...
10 November 2018 7,173 3 View
And which layer is solid electrolyte in a halide peroskite solar cell?
10 November 2018 8,847 2 View
I can use HCl to dissolve CaHPO4.2H2O (CaHPO4.2H2O was created from Ca(OH)2 and H3PO4 with ratio 1:1, respectively) and use photometry method to determine PO43-. But Ca2+, how to determin Ca2+? If...
10 November 2018 869 3 View
Why Na2O.2SiO2 doesn't dissolve in water, otherwise 3Na2O.2SiO2 can dissolve in water?
09 October 2018 4,504 2 View
I don't understant about mechanism of solar cell. When light come in p-n juction is electron and hole will be separated at n semiconductor, p semiconductor, depletion region or all
08 September 2018 7,814 7 View
I read a article about metallic incorrosion (mild steel) by using new generations of phosphate based on anticorrosion pigments. This article have mentioned the modified pigments appeared to...
05 June 2018 2,508 0 View
We are trying to run fiber photometry experiments for long time scales, but we get these sinusoidal artifacts that come up. We think they may be caused by twisting of the fiber optic subject...
25 February 2021 568 1 View
I'm currently working on SRc Alf Ori and its Bolometric Magnitudes. I do have the light curve estimates (From AAVSO but the SDSS doesn't seem to have an available data set for Alf Ori) and I'm...
03 August 2020 2,816 1 View
is there any article journal or reliable writing that explain about testing the total suspended solid (TSS) in water using photometric method as most of the article that i found using gravimetric...
16 June 2020 7,036 1 View
Can anybody please share the IDL source code for Hapke photometric modeling? Thank you,
22 February 2020 7,661 1 View
Is there any online free course on planetary photometry (or photometry)? Pls, send me the link. Thanks!
10 November 2019 9,862 1 View
07 November 2019 8,830 1 View
Hey there, I'm using commercially available Drabkin's reagent to measure the hemoglobin content of blood photometrically. The reagent I bought contains sodium bicarbonate, potassium ferricyanide...
09 October 2019 1,497 10 View
Hello everyone, for my master thesis, I've been testing a non-traditional method for sulfite determination via photometry. It's based on the reaction of sulfite with fuchsin reagent and...
09 October 2019 617 2 View
A well-known phenomenon is the sparkler's trail effect: A quickly moving spot of light appears as a line of light, due to the persistence of vision. Now the question arises: What is the...
09 October 2019 3,940 1 View
30 September 2019 1,884 1 View
