Why paraffin based PCM changes color upon prolonged heating?

What is the reason for changing color of the paraffin based PCM upon prolonged heating at around 142 Deg C.

09 October 2019 8,675 5 View

How to segregate nano particles in powder form?

We have prepared silicon powder, which contains 30 nano to 9 micron range. We checked around 35% of particles are less than 1 micron. We want to separate these 35% particles from the rest. Any of...

08 September 2018 7,576 4 View

How to give Superhydrophobic finish on polyester during HTHP dyeing?

I like to know, how can we give super-hydrophobic finishing during HTHP dyeing of polyester fabric. I've heard that such finish give a permanent super-hydrophobic finish on polyester fabric. If...

07 August 2018 3,938 1 View

Do you know any commercially available Electrically conductive polymer?

Hi I'm searching good electrically conductive polymer. Do you know any such polymer available in the market?

31 December 2016 5,234 3 View

Is it possible to deposite silicon on cotton fabric?

06 July 2016 8,622 3 View

Is there any formula to determine maximum strength of a yarn?

10 November 2015 895 7 View

I'm interested for Copper-silver alloy. Is it possible to develop such alloy?

Is it possible to develop copper-silver alloy? Is there any work on this? I want to know alloy only for copper and silver, no other metals..If any of you has done research on this, pl. let me know...

03 April 2015 7,276 3 View

Is there any permanent fire retardant finish for cotton that will NOT affect the absorption property?

We are searching for some fire-retardant chemicals, which gives permanent fire retardant property, but will NOT affect the natural hydrophilic property and permeability of cotton fabric. Could...

31 December 2014 8,690 4 View

Adherance of Polyaniline coating over stainless steel?

Is the electropolymerisation of polyaniline coating over stainless steel (SS) via Cyclic voltammetry technique is really adherant? Else how to improve the adhesion of the coating, whether any...

01 March 2021 8,220 2 View

Is there a method of determining feed digestibility without the need to re-pellet the feed?

I am aiming to determine the ADC values of a commercial fish feed, but I do not have a steam pelleter or extruder available to me. Ideally, the pellets could be coated with some inert marker....

28 February 2021 7,967 3 View

How to immerse bricks in wax ( for coating ) ?

Do we immerse the bricks horizontally or vertically ? #bricks#waterproofingsurface#civil#engeenering#chemicalengineering#wax#parafinwax

28 February 2021 6,685 2 View

For gelatin coating for culturing HUVEC.Should the gelatin be made in sterile water or PBS? Do I need to autoclave the gelatin soln after making it ?

I want to use 0.1% gelatin. Should that be made in PBS or sterile water? Should I autoclave the gelatin soln after making it in water/PBS?

28 February 2021 274 2 View

Why is my platinum counter electrode getting dirty during electrodeposition?

I am conducting anodic electrodeposition of MnO2 onto a stainless steel substrate, using a platinum strip as a counter electrode. This is done galvanostatically, with the current held between 5...

27 February 2021 1,829 3 View

What pH condition required to coat APTES on silica coated Fe3O4?

It's a hydrolysis reaction, which may produce by either acid or base-catalyzed reaction. so can anybody help me with this, which condition is suitable for this reaction?

26 February 2021 1,760 8 View

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View

What is the best surface to culture cells isolated from a skin biopsy?

Hello, recently I am having some difficulties with maintaining the cell culture of primary cells isolated from a skin biopsy (normal and malignant). The coating of culture plates with Matrigel (a...

26 February 2021 6,151 2 View

Unknown debris sheets observed in cell culture flasks?

Hi, We culture neural progenitor cells in T175 culture flasks coated with PLO-Laminin. We have successfully grown these cells with our protocol for months. Recently, we observed large sheets...

25 February 2021 3,443 4 View

How does charge on working electrode changes with rising potential?

During performing CV of a GCE or modified GCE, we rise the potential in the first half of the cycle and reduce it in reverse half. During the first half, what is the nature of charge on GCE or...

25 February 2021 7,994 3 View