How can I become sure that the pump is for UPLC not normal HPLC
First of all "UHPLC" (not "UPLC" which is tradename, not a technique) is just a term used to describe work performed using columns with very tiny particles inside (~
I search for an alternative material for pectin with similar or near binding properties in food industries particularly jam.
22 February 2023 7,578 7 View
We do a treatment for sesame seeds in order to separate the crust(cake) of sesame seeds and get the core to be ground to get tahini. the question now I have a large quantity of this crust and I...
18 December 2022 9,240 0 View
I will pepare denatonium benzoate and denatonium saccharide from lidocaine and benzyl chloride I need to know more safety precuations during preparation or any health problems on exposure to the...
03 January 2022 3,214 1 View
In the reaction of aniline and 3,5-Dinitrosalicylic acid what is the product amide or CT complex and why?
02 February 2019 3,113 0 View
I have prepared a chemical compound and I need to do recrystalyzation for purification, I tried many solvents like dust. water, benzene, chloroform, ethanol, cyclohexan... It is soluble in all...
22 December 2018 2,307 4 View
I want to synthesize bis structure as mentioned in the published research pabers but I didn't success. Any precautions are recommended??
02 March 2018 3,235 10 View
the eference to tell me about logβ of metal cations
31 December 2015 2,029 1 View
I do a potentiometric titration for ligands( like amino acids ) and ligand metal complexes to calculate dissociation constant of ligands and formation constant of it's metal complexes.
11 December 2014 886 2 View
first: I had extracted a natural polysaccharide polymer, how can I know it is (1,4) or (1,6). second: I had prepared complexes with this polysaccharide and transition metal ions, How can I know...
08 August 2014 4,714 5 View
I had done ESR analysis for copper complex and got a chart and data, how can I use those to get g and A values.
06 July 2014 3,818 2 View
I have been getting a low plasma and no coating while doing rf sputtering of copper doped ZnS using a power of 140 watts and at pressure of 6.5x10-3 Mb.
07 August 2024 4,526 4 View
Hello, I suspect that a molecule I am using is causing bacteria to experience osmotic shock. What chemical properties should I look for to compare this capability with those of other substances?...
06 August 2024 977 1 View
Hello I want to know about the sputtering condition of depositing FTO from target 95:5%. I tried with RF sputter in pressure 2.5Pa and 100 sccm Ar at room temperature but it showing no...
21 July 2024 1,680 2 View
I make polycrystalline diamond with tape casting followed by HPHT sintering. When i sintered the samples up till May, the sintering was good. When i sintered the samples in June and July at the...
16 July 2024 3,212 5 View
Hello everyone. I am working on my LV concentration porject, I use 500Kda hollowfiber to do it. The HCP and BSA removal rate is nearly 80%, but last time, I failed to run it. The HCP hasn't been...
11 July 2024 5,380 0 View
What will be the pressure in Iron Iron-Carbide diagram? It is at atmospheric pressure?
05 July 2024 1,891 0 View
Hi All, My name is Sumaiya, a PhD student at the University of Queensland. I am looking for some suggestions on how to hold mice and perform Randall-Selitto Test by using Paw Pressure Randall...
30 June 2024 6,004 0 View
I would like to dedicate my entire life in doing only one activity alone and nothing else. How do I achieve it in this world full of unavoidable distractions and societal pressures?
24 June 2024 298 1 View
While deriving for a momentum equation with elastic stress effects, I am planning to put a ratio between elastic modulus (in Pa) and dynamic pressure (in Pa) in a simplified form. I am not...
23 June 2024 8,059 1 View
Despite many attempts I am still unable to find the original version of this paper and would appreciate if anyone can locate it for us: Baker PG, Haig G (1981) Metronidazole in the treatment of...
20 June 2024 5,448 3 View