Hi everyone
How can I determination peroxides in lipstick?
I'd dissolve the lipstick in a - likely hydrophobic - solvent and use a peroxide test strip. Check whether the solvent is suitable for the test strip.
I have a Karl-Fischer reagent (for volumetric titration, which is a one-component reagent) with a titer of 5mg/ml. All references unanimously say the Karl-Fischer solution loses its capability...
02 July 2024 5,044 3 View
Greetings and Regards I have a question about bibliometric articles about public health or nursing. If any of the researchers have experience or knowledge in this matter, please tell me. Thank You
15 June 2024 2,795 1 View
Hi everyone Is there any guideline for method validation for cosmetic? I wanna know about criteria for that.
31 May 2024 1,990 2 View
I am working on a project to detect genetic mutations in lung cancer using machine learning algorithms and I am new to genetics and medical sciences. Can I use RNA as input to the algorithm for...
13 May 2024 5,726 6 View
Generally when they want to use hydrogel for MTT assay, firstly they fix hydrogel with glutaraldehyde then use for MTT assay. so, now, i have self healing hydrogel and its have crosslinker in its...
11 May 2024 6,310 1 View
Hi Have a nice day I want to determination PAAs and PAHs in tatoo. Would you present and introduce methods to this?
02 April 2024 6,772 0 View
"Hi, I gasify the polyethylene terephthalate granules and mold them using a hot press at a temperature of 260 degrees Celsius to prepare a bulk sample. However, after molding with the hot press,...
31 March 2024 8,668 0 View
I have a dataset from lung cancer images with 163 samples (2D images). I use the fine-tuning of deep learning algorithms to classify samples, but the validation loss did not decrease. I augmented...
21 March 2024 8,344 6 View
Hello, I want to dissolve polyphthalamide in a solvent. I tested different solvents, formic acid, toluene, DMSO, alcohol-based solvents, etc. under high temperature and time, but it did not...
12 March 2024 3,030 1 View
Hi. I need to remove all microplastics of a wastewater sample without changing any physicochemical properties of the sample. Can filtration by Whatman filters (for example Whatman 589/3 with...
08 March 2024 8,722 3 View
at the time of filling the peroxide value is 0.5 however it increases with the passage of time. we have never faced such problem in past. please someone assist me in this regard.
22 May 2024 6,296 2 View
Is it possible to store the pvdf membrane after applying a mixture of peroxide and luminol to it?
17 April 2023 2,677 1 View
Hello, I want to perform a quantitative Peroxide assay with plant extracts using the Pierce Kit (Pierce™ Quantitative Peroxide Assay Kit (Aqueous), #23280). I already did some preliminary test...
05 December 2022 2,318 5 View
I asked this question because considering the high oxidative capacity of the hydrogen peroxide, dilution with water might end the oxidative capacity or am I wrong?
29 November 2022 2,669 2 View
I read that Fresh THF without preservatives is generally clean of peroxides, Once opened, and the THF is exposed to oxygen then peroxides start forming immediately, unless you exhaustively purge...
18 October 2022 5,873 0 View
Hello, I am trying to analyze the stability of DYBP (2,5-Dimethyl-2,5-di(tert butyl peroxy)hexyne-3). It is 85% and comes dissolved in mineral oil. What technique would work the best apart from...
17 October 2022 1,855 3 View
In many rubber recipes (for NR, SBR, ...), that contain peroxides as a vulcanization agent, there is used also zinc oxide. Do you know, what is the reason for that, when there is no sulfur?
08 June 2022 7,691 10 View
I have plated some glioblastoma cells in a 24 well/plate, and am looking to see the impact that adding DHA (the fatty acid) to these cells has. From my reading I expect there to be an accumulation...
07 May 2022 3,142 1 View
I have tried to bleach lauryl polyglucoside (C1214 APG) using hydrogen peroxide under alkaline condition and temperature 70 - 80C. However, after few hours of stirring (as dosing of peroxide is...
16 January 2022 9,157 1 View
I am searching for information about peroxide fusion as a sample preparation method for palladium analysis with ICP-OES. Does anyone know the reaction taking place between metallic palladium and...
14 November 2021 6,212 2 View