I need books in analytical chemistry or general chemistry if any body has please send me?

More Fatima Mohammed Hussen's questions See All

In the investigation of elastase enzynme inhibition assay which standard reference we can use?

I need some articles in this subject

03 April 2017 7,680 0 View

In your personal opinion how your routine diet affecting your daily energy?

do you see that aspecific food when you eat give you special power to sustain your work?

09 October 2015 3,858 25 View

Are you agree with flower therapy? can flowers cure some diseases?

Now adays flower remedies is an imporatant type of alternative medicine

09 October 2015 9,897 18 View

Smart methods to deal with aggressive & noisy stuedents in lectures?

Lectures control

07 August 2015 1,491 30 View

What is the composition of energy drinks?

Energy drink side effects

05 June 2015 2,876 3 View

What are the most problems lead to leaving your job?

More persons like teachers become unsatisfied with their jobs and more are likely to leave their schools or universities, what are the reasons in your view

05 June 2015 5,384 22 View

What are the names of plant organs that store volatile oil?

volatile oil storage organs

05 June 2015 2,386 8 View

Is 1:1 methanol:Ethylacetate is agood mobile phase for separation of active fractions from crude plant extract using column?

column chromatography

04 May 2015 7,347 4 View

How can I extract saponin glycoside from plants and how to purify it?

04 May 2015 2,439 2 View

How Can the instructor increase the participation of students all the time during lecture?

lecture development

04 May 2015 3,681 22 View

• What the possible Persistent Organic Pollutants and Heavy metals present in fluorspar, sediments, and water bodies around its mining area?

Approximate concentrations are require in compared with the WHO permissible limts

11 August 2024 2,723 1 View

Basis set and input instruction to calculate HOMO and LUMO using Orca for Imidazolium based organic salts?

Hey there, As a synthetic chemist delving into theoretical calculations for my imidazolium-based organic molecules, I would greatly appreciate any guidance on the appropriate input instructions...

09 August 2024 5,444 7 View

How to calculate CCS for Sodiated adduct ions and Multiply Charged Ions?

I'm currently working on calculating the collision cross section (CCS) for various ions, and I'm facing challenges when dealing with sodiated and multiply charged ions. Most of the resources I’ve...

08 August 2024 8,329 0 View

Separation of organic acids-HPLC?

Hello What should be done to separate and identify organic acids in HPC when their RetTime is the same?Like oxalic acid with Propanoic Acid.or acids that have a very close RetTime.

07 August 2024 8,782 3 View

Project/Experimental assistance ？?

Do experiments on behalf of Our Business: Laboratory animal rearing Animal modeling Experimental animal behavior detection, image ultrasonic detection, electrophysiology platform Organoid...

05 August 2024 5,829 1 View

How to convert g/kg Humic acid dose to kg/ha?

I used humic acid at 0.044 g/kg soil in my pot experiment. But finally, I have to recommend kg/ha. Each pot's soil weight was 11 kg. What is the solution?

02 August 2024 7,186 6 View

Short Synthesis of Graphene Oxide from Natural Graphite Flakes?

I am in search of a modified Hummer's method, which can be used to synthesis graphene oxide within 6-8 hours. As I am a student it is not allowed for us to work after 5 in the laboratory. So I am...

01 August 2024 8,368 2 View

How to improve peaks separation in HPLC?

Hi everyone, I'd like to better separate two close peaks coming from a bioconversion sample, I'm currently using a C18 KromaPhase 4,6mm Ø.I. SCHARLAU, particle size (µm): 10, pore size (Å): 100,...

30 July 2024 435 3 View

Inquiry on Maximum Nucleic Acid Volume for 2.5 mL Liposome Solution?

I am currently working on a project involving liposomes and need to determine the maximum volume of siRNA that can be added to a 2.5 mL liposome solution with a total lipid concentration of 10...

30 July 2024 6,420 1 View

How can I use DFT-D3 correction ( Siesta version 5.0.1)?

Dear Siesta Users, I installed Siesta 5.0.1 and I want to use Grimme's D3 correction. According to the 5.0.1 manual, I could use a few parameters to include the D3 correction in the...

27 July 2024 5,748 0 View