Can someone provide me ASTM C133 standard?

I need to perform the relevant tests to obtain results such as the resistance to cold crush and the refractory rupture modulusI need it to perform these types of tests

05 February 2019 1,082 3 View

What is the best method for lipids extraction of leaves?

Hello! I need to extract lipids from three plants. What is the best method { If you can help me with a protocol, thank you regards

27 April 2018 5,853 4 View

How are emission factors (CO2e)for solid waste components calculated? I believe LCA is involved but Im not sure how ?

07 August 2017 6,340 4 View

Can someone provide instructions on how to correct LA-ICP-MS data?

I have averaged my elemental intensities, I have my std values , created correction factor... Thank you!

07 August 2017 5,510 4 View

What are the main challenges of direct 3D printing with precious metals?

I am doing my dissertation on mass customisation and engineering of jewellery products. One of my aims is to find out why direct 3d printing in particular in the jewellery industry has not been as...

06 August 2017 6,323 9 View

How do I aggregate PLA-PEG nanoparticles?

Hello everyone!! Currently, I am working on the fabrication of PLA nanoparticles with PEG adsorbed on their surface. I am based on the article "The internalization of fluorescence-labeled PLA...

18 December 2015 2,751 3 View

Can someone identify the eggs found in faeces of the river Otter, Lontra longicaudis?

Our Group (Laura Jaramillo and me) have two other parasite eggs found in faeces of the river Otter, that are different of the previously discussed

17 February 2015 4,916 5 View

Can we really measure test-retest reliability in memory tests?

It seems obvious that there is a big difference between being repeatedly exposed to a reaction time task, in which minimal or any learning at all is expected, and to be evaluated several times...

09 October 2014 8,615 12 View

What is the most difficult factor for elaborate Biodiesel?

The main factors for produce bio fuels

23 April 2014 3,230 4 View

How the wettability of rock sample can be changed by ageing in pure hydrocarbon oils only?

I want to do wettability analysis of hydrocarbon oil (octane)/rock/surfactant solution system. but to do the analysis first I have to make rock surface oil-wet. Since hydrocarbon oil does not have...

27 February 2021 5,383 3 View

What is the suitable range of Sulfur content and Viscosity of Heavy fluid Oil that used in Kiln?

What is the disadvantages of high sulfur content to the ceramic burning process? and what is the effect of outranged viscosity?

24 February 2021 8,219 2 View

How can Gamma Ray API units be converted to CPS (counts per second)?

Oil and gas companies run gamma ray tool and take readings in API units while Gamma ray is also noted in cps, so how these units can be converted into each other?

24 February 2021 7,545 2 View

How to remove compound ( Europium complex ) from paraffin oil?

How can I remove my compound from paraffin oil? Mistakenly my compound fell in an oil. Compound = Europium complex

22 February 2021 5,667 2 View

When I mix oil and NaOH solution, Why solid layer in the surface is formed?

During my trial for lubricant oil re-refinery process, I use NaOH as coagulant agent. After overnight of gravity settling, a solid layer in the surface was form. what product is that? since the...

22 February 2021 2,116 4 View

The type of filter paper used to filter an epoxidized oil (the mixture is an epoxidized oil with magnesium sulfate) ?

I have a mixture of epoxidized oil and magnesium sulfate wich type of filtre paper should i use

21 February 2021 3,944 3 View

What reaction will occur when adding hexamine into ammonium nitrate in an acidic medium?

Hello, I am investigating properties of water in oil emulsion explosives. And adding hexamine (hexamethylenetetramine) into one of the phases that are used to make the emulsion should increase the...

21 February 2021 8,680 1 View

How can we study the adsorption efficiency of microgel at the oil-water interface?

I am studing the mircogel at oil-water interface. I want to know the adsorb amount of microgel at the oil water interface. How we can determine this amount?. I will highly appreciate your...

19 February 2021 2,787 1 View

Does anyone know, can i do cryosectioning of whole aorta after oil red O staining and use the cryosection parts for further analysis?

I would like to quantify the lesions on aorta. I want to take image of atherosclerotic plaques formation in aorta by using O red Oil Solution. After the staining, what will be the storage...

16 February 2021 5,876 2 View

Does calculating the interaction index between a drug and a food matrix make sense?

Dear all, I'm conducting the revisions of some of my manuscript, with is the impact of the combination of Aspirin and a fruit juice in colorectal cancer cells. Two of the reviewers have asked to...

16 February 2021 3,141 3 View