How to find the concentration of acetic acid in the organic solvent?

I need to find out the concentration of Acetic acid in Xylene by using titration (NaOH - Phenolphthalein) but I couldn't get accurate result please suggest a proper method.

05 June 2019 9,635 5 View

What is the correlation among degradation of NR gloves, TiO2, Xylene and Acetic acid?

In supported NR glove industries, mixture of xylene and acetic acid is used to get crinkle (swelling). Is there any correlation among degradation of NR gloves, TiO2 (pigment), Xylene and Acetic acid?

11 December 2017 1,454 1 View

How to graft polyethyleneglycol with silica nanoparticles?

I want to graft polyethyleneglycol with aminated-silica nanoparticles to get a thin film. Any help would be greatly appreciated.

10 November 2017 827 2 View

How to control viscosity of NBR latex compound with CMC thickener?

It is getting difficult to control viscosity of Nitrile rubber (NBR) latex compound which is thickening by Carboxymethyl cellulose (CMC). Is there any suggestion to keep stable with negligible...

08 September 2017 5,462 5 View

How can I avoid blisters on the styrene-butadiene rubber coating when the curing process?

08 September 2015 2,630 6 View

How can I prepare Polyvinyl alcohol coating?

How can I prepare Polyvinyl alcohol (solvent- Water) coating? Is there any cross linked agent for Polyvinyl alcohol compounding? How to dissolve Polyvinyl alcohol 100% hydrolyze in water?

02 March 2015 7,395 15 View

How does one find out Methanol concentration in a solution which is containing citric acid, methanol and water?

07 August 2014 8,612 11 View

How to measure and control the viscosity of non-Newtonian fluid?

Most of the water-based rubber latexes show the behavior of non-Newtonian fluid while solvent-based rubber latexes behave as Newtonian fluid. It creates difficulties in latex glove dipping...

01 January 1970 6,693 3 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 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

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

Polymer composites suddenly solidifies?

I am making polymer composite by solvent mixing method. When I am trying to add filler solution in polymer solution it quickly get solidified. How to make them then uinform? It doesn't give time...

03 March 2021 7,540 4 View