Hello friends, which is the best method to determine water content in the gummies???? how to prepare gummy sample for water determination?

02 March 2017 1,976 3 View

What are the HPLC mobile phase additives & how to select a proper additive?

How to select proper mobile phase additive for better separation? And when to use the beta-cyclodextrin or (2-hydroxypropyl)-beta-cyclodextrin as mobile-phase additives?

07 August 2013 6,474 1 View

Can I replace sodium metaperiodate with potassium metaperiodate for analysis Mn by colorimetric?

Can I replace sodium metaperiodate with potassium metaperiodate for analysis of Mn by COLORIMETRIC tech.? Will it affect the results or assay of Manganese? Or will it interfere with colorimetric...

05 June 2013 7,045 6 View

What is the TCL-S-101 and how much is added in the injection preparation?

TCL-S-101

02 March 2013 7,253 0 View

How do I quantify Potassium Iodide?

I want to quantify Potassium Iodide but I'm not getting a reliable chemical or any other method for assay.

01 February 2013 7,584 1 View

How do I plot overlay of rphplc chromatograms in empower III software in a final result sheet with area, resolution, HETP & tailing factor?

I want to plot overlay of rphplc three std chromatograms in empower III software in a one final result sheet with area, resolution, HETP & tailing factor. How do I do that?

01 February 2013 4,143 0 View

How to identify, analyse & confirm the different concentrations of malt extract?

What is the method to differentiate the 2%, 10%, 20% malt extract?

01 February 2013 2,725 1 View

I'm trying to quantify amino acids by RPHPLC with UV detector, can anyone suggest a good method?

I have HPLC with UV detector & I want to quantify amino acids by RPHPLC, what is the best method with derivatization technique?

31 December 2012 3,132 33 View

Why mobile phase turn turbid? What shall I do to make it clear?

Dear all today I faced a problem while making mobile phase and the composition was A)potassium Dihydrogen phosphate(15g) + Di-sodium hydrogen phosphate(15g) in 1000ml water B) Acetonitrile...

31 December 2011 6,995 20 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

I am interested in medicinal chemistry field, which books are highly recommended to learn from?

I am at the beginner level in drug design and drug discovery, and I am interested to learn more about this field. Which books are highly recommended to start from and gives me all essential...

02 March 2021 8,437 2 View

How Relativistic effects is one reason for lanthanide contraction?

The Lanthanide contraction which is the decrease in ionic radii of the elements in the lanthanide series from atomic number 57, lanthanum, to 71, lutetium, is due to poor shielding of the 4f...

01 March 2021 2,272 4 View