What is the difference between silica sand in powder form and commercial silica?

Saber Abdulhamid Alftessi @Saber-Abdulhamid-Alftessi

31 January 2020 1 8K Report

I am not completely sure what you mean by silica sand. If it is natural silica sand, it is in the form of the mineral quartz (which is crystalline), while commercial silica is amorphous.

Badges
Science topic

More Saber Abdulhamid Alftessi's questions See All

What is the critical condition for a Laplacian Matrix representing the inter-agent communication graph of a networked dynamical system with delay?

What is the critical condition for a Laplacian Matrix representing the inter-agent communication graph of a networked dynamical system with delay in the information exchange between agents?

15 March 2024 2,519 1 View

Oxygenation Event during or after the Carboniferous-Permian (type-Karoo) ?

Based on the literature on isotopic compositions of carbon 14 and oxygen 18, each glacial episode is followed by a primordial oxygenation event such as the Great Oxygenation Event (GOE) and the...

04 January 2024 6,571 0 View

What is Behavior (Welfare) tests performed for African catfish?

For indicating the welfare status of the catfish

12 September 2023 9,623 0 View

How can I remove an author that was added wrongly in researchgate but not in the original document?

A co-author was added mistakenly and I want to remove her. How can I go about it?

21 August 2023 5,738 2 View

How do you classify iron, zinc, iodine, and vitamin A deficiencies in adolescent based on serum iron, serum zinc, and serum vitamin A cut-offs?

Dear Researchers, Please, I want to know or have access to articles that could help me in classifying adolescents into varying levels of deficiency/sufficiency of iron, zinc, iodine, and vitamin A...

18 August 2023 2,129 2 View

Please can someone help me with simulink demo for event triggered control?

I am working on my PhD research project that involves event triggering mechanism when ever the error is greater than certain threshold

09 August 2023 9,586 0 View

Is it possible to collect blood from Nile Tilapia fish weighting about 30-20 grams?

From your experience, how could I collect blood from such small fish?

03 August 2023 620 8 View

Can i get someone who is going to teach me cyber security?

I am a student from Umar Musa Yaradua University Katsina from Computer Science Department. I need someone who is going to teach me cyber security.

06 July 2023 7,696 3 View

Hi everybody Has anyone successfully synthesized GelMA hydrogel with a diameter of 5 cm?

Hi everybody Has anyone successfully synthesized GelMA hydrogel with a diameter of 5 cm? Has anyone experienced similar issues when attempting to crosslink GelMA hydrogel on a larger scale? Are...

02 July 2023 2,185 1 View

If I have 10 tilapia fish each weighing about 100 grams, what is the best aquarium dimensions I should use for rearing them?

please tell me If there is a standard ratio in rearing Tilapia fish in an aquarium.

12 June 2023 6,513 3 View

Are there any commercially available Donkey anti-Alpaca secondary antibodies?

Are there any fluorescently labeled anti-Alpaca secondary antibodies raised in Donkey? So far I have only been able to find anti-Alpaca secondaries raised in Goat. Or is this not possible due to...

04 August 2024 4,255 1 View

The use of data from PubChem for commercial purposes?

Hi, I'm curious to know if data on chemical compounds from PubChem, such as water solubility properties, can be used to train a machine learning model for commercial purposes. Will this infringe...

30 July 2024 8,707 1 View

Mechanochemistry: ball to powder mass or ball to powder volume?

I run mechanochemical reactions that involves the use of a large amount of catalyst (1:1 molar ratio to the reactant). When I try to understand the effect of amount of catalyst on the reaction, I...

23 July 2024 9,938 1 View

I'm conducting a study on Research Commercialization in Pakistani HEIs and would appreciate your participation in a brief survey?

Dear Participants- Faculty and Researchers from Pakistani Higher Education Institutions, Thank you for participating in research study that aims to 'Analyze Individual and Institutional Factors...

18 July 2024 7,024 1 View

Issues with Malaria Coated Nitrocellulose Membrane Releasing Moisture?

Hello, I am currently working with Malaria Pf/Pan nitrocellulose membranes coated for malaria detection. After drying the coated membranes in an Incubator (overnight at 37°C), I've noticed that...

16 July 2024 7,937 1 View

I want to plot calibration curve of pure mirtazapine powder using HPLC. Can someone please suggest a method without HPLC buffer as a mobile phase?

I am searching for HPLC method to estimate Mirtazapine but i want to avoid HPLC-buffers as a mobile phase component. So, I am looking for alternative HPLC-solvent (acetonitrile, methanol etc.)...

14 July 2024 1,493 3 View

What binders suggestion that I can use for zinc alloy?

I am working on powder metallurgy, and during the compaction process, the powder does not pelletize and remains in its powder form. To address this issue, I am considering using binders to improve...

13 July 2024 9,003 2 View

How i figuer out the weight of curcumin powder?

I am trying to load curcumin emulsion in 4% chitosan gel but i don not know how many mg powder is needed ?

10 July 2024 2,462 1 View

Can anyone suggest what amount of powder I have to disperse in the solvent for taking the FTIR spectra?

I have to compare the FTIR of the two samples, one is in powder form and other one is the powder dispersed in IPA or water. Both are same material, so how the bond will change

09 July 2024 8,011 2 View

Is VSM measurment of NdFeB alloy powder sample require any spesific sample preparation ?

Is any specific sample preparation required to perform VSM measurement of NdFeB alloy powder to get a square-shaped M-H loop? Or is it mandatory to make magnetically aligned and sintered pellets...

09 July 2024 1,969 0 View