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 4,621 0 View
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 10,018 7 View
In case that food and feed analysis can be done in the same lab, should separate lab glassware be used?
06 July 2017 2,515 6 View
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 10,038 14 View
What is the lifetime of a cadmium reduction column used in determination of nitrate in meat and meat products? (The cadmium deposit for the column is prepared with Zn rods and cadmium sulphate...
05 June 2017 3,913 1 View
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 6,120 2 View
I tried four trials of the same Copper Phosphides sample in Alkaline medium ( 0.5M KOH) with Hg/HgO reference electrode and Pt as counter electrode. I used 0.001 V/s scan rate for first three...
10 August 2024 3,629 1 View
Hello, I suspect that a molecule I am using is causing bacteria to experience osmotic shock. What chemical properties should I look for to compare this capability with those of other substances?...
06 August 2024 977 1 View
Dear all, I am working on analyzing data from a survey on student satisfaction. The survey contains items with a 7-point Likert response format that produce 12 scales related to different areas...
05 August 2024 2,141 4 View
Hello. I am working on ROS production of two systems: system A is cerium oxide and hydrogen peroxide, system B is cerium oxide nanoparticle, hydrogen peroxide and potassium bromide. I did some...
04 August 2024 5,974 3 View
I have been using paraffin, but the deposited ZnO still detach from electrode. What is the best binder to modify graphite paste electrode with ZnO nanoparticles?
03 August 2024 4,624 3 View
My screen printed electrode CV is given here. For Nerstean one electron reaction the delta E value should be close to 57 mV and ration of Ic/Ia should be close to 1. I did CV of my screen printed...
30 July 2024 4,671 3 View
We are working on biopolymeric hydrogels. Our system is highly viscous and sticky, and the gel formed are high in strength. We are unable to use pH electrode and pH strip. Please suggest an easy...
30 July 2024 942 2 View
Hello everyone! How can i prepare EDTA buffer solution (pH 8.2) to determine GSH levels? Thank you in advance.
29 July 2024 4,374 1 View
Here, I have used Ag/AgCl as reference electrode and 0.5M KOH.
29 July 2024 4,538 3 View
I want to preserve the sample leaves for the LM study of the stomata and conidia analysis. Whether 2.5% glutaraldehyde in 0.05 M phosphate buffer with pH 7 can be applied for preservation.
29 July 2024 8,560 0 View
