HPLC method validation?

Dear Dr's and researchers what is the best parameters to make method for a new Schiff base derived from benzocaine?

10 November 2018 6,738 8 View

2-AZETIDINONE preparation from Schiff base?

are their any chemical compound that used to synthesis 2-AZETIDINONE from Schiff base other than chloroacetyl chloride?

10 November 2017 6,314 4 View

Schiff base preparation?

Dear Dr's I prepare Schiff base; firstly lemons color appear, after 4 hrs "i forget it more than 1 hour" the color change to brown; are their a relationship between time and color?

09 October 2017 2,708 6 View

How i can separate phosphogypsum chemically?

How i can separate phosphorous from gypsum?

02 March 2017 7,470 1 View

Sodium borohydride?

Dear Dr's: I would like to ask about the effect of NaBH4 on a schiff base have an ester group; does the ester affected by NaBH4?

01 February 2017 5,358 4 View

White Schiff base ?

Are their a Schiff base with white color?

11 December 2016 7,243 1 View

Indicator film used to detect some metals by make complexation with it?

09 October 2016 7,036 3 View

No title

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05 June 2016 5,121 0 View

Is carbonic acid an organic acid or an inorganic acid?

if i say H2CO3 ( called carbonic acid) does'n exist but it is a solution of CO2 dissolve in water and both of them are inorganic compounds so it is an inorganic compound???

10 November 2015 9,376 3 View

Dear Dr's i hope to aske about fluorescence?

01 January 1970 2,732 3 View

What are anisotropic electrical and optical properties of a semiconductor due to?

In some materials, properties such as band gap, thermal conductivity differ along different crystallographic axes. What are the basics?

01 March 2021 1,923 3 View

How to add missing citation?

Dear colleagues, I have found that many authors have a concern regarding their missing citation in RG because often citation in RG is lower than google scholars. I also missed some citation...

26 February 2021 928 6 View

What could be reason for getting such type of graph for complex impedance in case of polymer blend films?

Its effect appears in real part of ac conductivity also. Can anyone suggest any reason behind it?

26 February 2021 3,487 3 View

Centrality measures computation in Biblioshiny/ Vosviewer?

26 February 2021 7,279 2 View

Modeling viscosity using model of Chung?

Hello, As part of simulation of gases mixture and water, I need to calculate viscosity of the fluid components and I am using relationships proposed by Chung et al. (1988). The irony is while I...

25 February 2021 8,053 5 View

How can I verify my centrifugal fan design for electric motor cooling?

I have radial blade centrifugal fan design which will be mounted on exhaust side of electric traction motor. The fan will be mounted on same motor shaft inside the housing. How can I verify that...

23 February 2021 2,390 3 View

What is the system of units used in the thermal conductivity by Spitzer and Harm?

23 February 2021 9,253 1 View

Which thermal conductivity test recommended for Ag-Cu nanofluid?

I have prepared Ag-Cu alloy with polymer coating upon it.... how can I measure thermal conductivity of it ?

22 February 2021 5,915 3 View

What is the difference between AC conductivity and DC conductivity? Is AC conductivity = ionic and DC conductivity = electronic?

I am reading papers on batteries and although mostly people have reported ionic conductivity in Scm-1 but some have reported DC conductivity as well I and am confused as to what that is. Any help...

21 February 2021 9,207 6 View

How to get/count refractive index in gasses?

20 February 2021 8,202 6 View