What's surfactants and cosurfactans used in pharmaceutical and cosmetics industries?

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Can a photocatalytic degradation of methylene blue from red mud be pseudo- zero order kinetics?

My photocatalyst from solid waste red med. Dye is methylene blue My all parameter study is showing zero order. How to prove it further that the reaction in zero order?

29 July 2024 7,404 1 View

How to calculate pseudo order kinetics?

I know the rate law. But for my photo-catalytic experiments, first 90min is adsorption (dark) and next 150min is under UV light (total 240min). How to remove the adsorption part for calculation?...

21 July 2024 8,807 6 View

How to make 100ppm 1Liter methylene blue stock solution? How much weigh the dye require?

methylene blue stock solution

19 June 2024 10,030 3 View

How to weight this chemicals to mix up to make zeolite 13X-Tio2 with Fe doped?

I use molecular sieve 13X and Iron nitrate powder Fe(NO 3)3 • 9H2O. and commercial TiO2. I need to prepare 8% Fe, 8% TiO2 containing with zeolite 13X. I want to use this method below: WET...

17 June 2024 4,153 2 View

How to calculate 1milimoles of H2O2 30%, ?

for photo phenton reaction, dye concentration 10ppm, catalyst 100mg/L.

16 April 2024 1,686 4 View

Any plastic recycling company pestel analysis?

any plastic recycling company pestel analysis

21 March 2024 5,391 0 View

How to detect noise sources from a home appliance?

for example: I am using a refrigerator for 3 years , recenly, 2/3 months ago the noise level seem increased. I made a complain to the refrigertor manufacturing brand. Now, how the R&D team of...

27 February 2024 6,870 2 View

My catalyst Ti contaning zeolite from red mud shows different degradation at different pH.?

For pH 5 & 9 almost same time 4hr for 95%, for pH 11 less time 3hr. 100% for pH 3 . 4hr, 75% Why this abnormal happened?

20 February 2024 6,525 0 View

Piezoelectric energy harvester(PEH) can convert vibration to energy. Is there any product list (Micro-Macro) of PEH currently avaiable in market?

PEH can use in micro and macro system. Is Micro system feasible for PEH for application like medical implant, Wireless Sensor Network or else?

02 February 2024 1,065 2 View

How to find phase difference in a metamaterial polarization converter in CST simulation?

I have been trying to find the phase difference to test whether polarization is converted or not in a metamaterial polarization converter. But I am not sure how to do that. In the below paper, how...

23 December 2023 2,775 1 View

How do you delete a duplicate pdf for the same paper on ResearchGate?

The first pdf file I uploaded had an error. So I uploaded an updated, corrected pdf of that paper with a different pdf name. I dpon't want the old copy to be download or read.

07 August 2024 9,508 1 View

What is the Name of my Mother in law?

Chimnya

05 August 2024 6,947 1 View

Merging profiles after change in name due to marriage?

Hello- I have two profiles in ResearchGate. One under my married name of Kristina Secnik and one under my married name of Kristina S Boye or Kristina Boye. How do I merge my publications so that...

29 July 2024 4,426 1 View

How to do calculation of Louvain methods calculation for excel sheet and and is there any software available?

The Louvain method – named after the University of Louvain where Blondel et al. developed the algorithm – finds communities by optimizing modularity locally for every node’s neighborhood, then...

23 July 2024 6,659 0 View

Identity behind this address?

May I request for change of pofile for this email address? It belongs to the ofice of the head of institution but the name attached is different. Kindly also include [email protected] being the...

17 July 2024 1,145 0 View

Availability of species epithet?

Geinitz names a gastropod as "Strombus bicarinatus d'Orbigny" in 1849, referring to d'Orbigny's "Pterocera bicarinata" (1843). Both are different species. Question: Is the epithet "bicarinatus"...

12 July 2024 6,474 6 View

My article: The Extended Pedersen hypothesis can you correct the the name of first Author?

In My article: The Extended Pedersen hypothesis (published, February 1988 Clinical Physiology and Biochemistry 6(2):68-73,) there is mistake of the name of first Author: it is not Catherine...

11 July 2024 1,801 2 View

What is homomenthyl cinnamate?

the molecule name is citated in old literature about organic sunscreen molecules

10 July 2024 5,576 2 View

How it was possible for Dariusz Prokopowicz to get a Research Interest Score of 11,228 and 2,620,101 reads in ResearchGate?

What is the secret behind the success of the researcher named Dariusz Prokopowicz who has a "Research Interest Score" of 11,228 and has 2,620,101 reads in ResearchGate. How was it possible for him...

06 July 2024 2,963 0 View

Can anyone give me the name of Universities which accept PHD after undergraduate degree ?

Any Universities which accept students to PHD program after a undergraduate degree.

06 July 2024 3,903 2 View

John Francis Miller

I suggest you look at the FDA's list of "Generally Recognized As Safe" substances (GRAS). Note, that the list is for substances in food.

https://www.ecfr.gov/cgi-bin/text-idx?SID=e956d645a8b4e6b3e34e4e5d1b690209&mc=true&node=pt21.3.182&rgn=div5

https://www.ecfr.gov/cgi-bin/text-idx?SID=e956d645a8b4e6b3e34e4e5d1b690209&mc=true&node=pt21.3.184&rgn=div5

Shihab Uddin

Dear Professor John Francis Miller

I got it. Thanks a lot for your kind informations. It's really helpful for my study.

Phil Geis

Look on product labels. GRAS is irrelevant - as John said, this on ly adzdresses food application.