What is the standard or procedure to check color of sealants and adhesives? How shall I define a color range for them?

In manufacturing process, We get color difference in acceptable range.. So how can we check color of sealants and adhesives? How shall I define a color range for them?

07 August 2019 7,648 2 View

Do we have facility to test wedge impact peel test for adhesive in India?

I am looking for a source who can test my samples for wedge impact peel test. Kindly let me know if anyone's tests that.

31 December 2017 1,100 0 View

How about Pursuing Master's in chemical engineering in Kaunas technical University, Kaunas, Lithuania?

Dear all, I would like to do masters in chemical engineering. I'm having 65% in my UG, I have 2 research paper published in my UG. I also have 3 years experience in production and process...

08 September 2017 9,854 1 View

How to write a letter to a professor stating my interest in pursuing master degree under him?

08 September 2017 776 9 View

What is the importance of testing Acid value and ester content in monomeric Phalate plasticizer like DINP?

04 May 2017 4,695 0 View

Where can i get Cosmo RS software? Is that available free for full usage?

02 March 2017 373 10 View

Pollution control board norms for pharmaceutical effluent?

02 March 2016 3,583 0 View

Effect of temperature on electro oxidation of pharmaceutical effluent?

02 March 2016 5,743 1 View

Downloading book in science direct?

31 December 2015 6,988 0 View

Viscosity variation in PVC plastisols? How can I maintain the viscosity within range?

Viscosity variation in PVC plastisols? How can i Maintain the viscosity within range?

11 December 2015 6,393 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

What solvent can I used for Paal Knorr reaction between 6-amino hexanoic acid and 2.5 hexanedione?

I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...

02 March 2021 4,443 2 View

How to polymerize TEOS?

I want to polymerize TEOS on a surface. I know that NH4OH is a preferred catalyst and an alcoholic solvent should be used .But I can not find certain amounts of each material to use. Does any one...

02 March 2021 1,404 6 View

How can extract ciprofloxacin hydrochloride disolve in water er to organic solvent such as dichloromethan or any other solvent?

I need a procedure to extract the ciprofloxacin hydrochloride from aqueous solution by using dichloromethane in detail,. I thank you very much.

01 March 2021 4,306 1 View

How to separate water from glycerol solvent in a solvent recovery vacuum distillation column?

I am currently doing my third year design project. I have been assigned to design a glycerol recovery column in vinyl acetate monomer production. The process unit before the recovery column is an...

01 March 2021 9,525 4 View

How to make fractions of chloroform extract of plant, using seperating funnel?

28 February 2021 8,466 2 View

Why am i not getting solid after reacting APTES with salicylaldehyde?

The reaction of APTES with salicylaldehyde in ethanol leads to the formation of imine compound yellow solid which is mention in literature, but I am not getting yellow solid I don't know why? when...

28 February 2021 2,955 2 View

can I treat waste water containing solvents and alcohol with electrocoagulation?

there are solvents and alcohol in the waste water of a factory that produces disinfectants. Increasing this waste water requires very serious operations. Can I treat this waste water with...

27 February 2021 2,609 3 View

How to replicate the well conditions of a crystal hit with 20%(w/v) isopropanol?

I had a crystal hit in a well with 0.1M HEPEs pH 7.5, 10%(w/v) PEG 4000, and 20%(w/v) isopropanol. Why is isopropanol in w/v here if it's just solvent? How do I recreate this well condition?

25 February 2021 9,761 1 View

How to increase solubility of Poly acrylic acid in Dioxane solvent?

I am working with Polyacrylic acid (100.000Da) and instead of water, I need to use another solvent (dioxane) to dissolve PAA. However, because of the high molecular weight, it's quite hard to...

25 February 2021 2,225 5 View