How to prepare AL solution for determination of available phosphorus in soil?

My colleague wants to do determination of available phosphorus in soil using AL method. However, she is not sure how to prepare AL solution as she couldn't find how much of each chemical (that...

06 July 2018 4,560 0 View

How to determine carbohydrates in meat?

I would like to know what is the method to determine carbohydrates in meat. It especially important to know how to prepare the sample and is there any kind of pretreatment to be done? The only...

10 November 2017 9,956 7 View

Can proximate analysis of (human) food and animal feed be analysed in the same laboratory?

In case that food and feed analysis can be done in the same lab, should separate lab glassware be used?

06 July 2017 2,460 6 View

Can Hanna 99161 pH meter be used for measuring pH of the meat too?

In the catalog of HI99161 pH meter, in one sentence is written that it can be used for pH measurement of meats and cheese. However, few rows below, it is written that the electrode is specialized...

05 June 2017 9,979 14 View

What is the difference between electrodes for pH measurements of meats and dairy products?

Your toughest technical questions will likely get answered within 48 hours on ResearchGate, the professional network for scientists.

05 June 2017 4,547 0 View

Is there significant difference in quality of chemicals produced by Himedia, Panreac, Acros Organics and Fisher UK?

I have to order chemicals for new methods that my colleagues and I want to try out. I got offers from few different companies, but there are huge differences in price for certain chemicals because...

05 June 2017 5,957 2 View

Buffer Exchange using column packed with sephadex G-25 effect on protein concentration?

Hello, If i am doing a buffer exchange for an antibody of 1mg/mL, does the elution lose protein in the process of buffer exchange? For example, if i flow through 500 uL of 1mg/mL sample, and...

03 March 2021 6,299 3 View

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03 March 2021 5,360 2 View

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02 March 2021 3,060 3 View

Which transition metal salt precursor is best for doping? Why?

I would like to synthesize a transition metal doped TiO2 via solgel method. Hence, I would like to know which metal salt precursor to choose among Chloride, Nitrate, and Sulphate. A clear...

27 February 2021 4,285 3 View

How can we raise the figure when we writing a paper with Latex ?

Hi, everyone. I'm a starter to write a paper by Latex. But I have some difficulty using it. I'm writing the paper with 2 columns. And, there is one figure that occupies the 2 both-sides. I want to...

26 February 2021 3,738 3 View

What is the best way to calculate the angles of twist for concrete columns subjected to torsional moment using finite element software?

In Finite element software like ANSYS , there is difficulty in obtaining direct results of twisting of concrete members because SOLID65 which is the unique element designed to represent concrete...

26 February 2021 3,806 2 View

Compute for the total volume of concrete needed for the concrete pouring of the foundation including its column up to NGL only as shown in the plan?

Looking for the quantity of cement, sand, and gravel of footings and columns. Thank you!

25 February 2021 3,092 2 View

No amplification data for qPCR on MxPro?

I have set up a qPCR run on MxPro with SYBR green and ROX as a reference, however, when I go to the analysis section the program seems to only collect data for the dissociation curves and not the...

25 February 2021 8,039 1 View

Can I use TCA instead of TFA for protein analyis in RP-HPLC?

I am trying to analyze lipase using the reverse phase-HPLC C18 column. In the literature, 0.1 % TFA was and 60% ACN was used. Can I use TCA in place of TFA? If any other methods are available to...

25 February 2021 2,388 3 View

Can I use acetic acid with an ELITE WAX Perkin Elmer column for Gas Chromatography?

Hi! I would want to know if I can use acetic acid with an ELITE WAX Perkin Elmer column for Gas Chromatography. This column has a polyethylene glycol phase, but I can't find the manual to check...

22 February 2021 730 2 View