24 Questions 22 Answers 0 Followers
Questions related from Stefano Salvatori
Good morning, i have some problems with the use of Elementar Vario TOC Analyzer Software, the on line help is not to clear,. May you suggest a guide for calibration and samples analysis...
07 March 2025 2,729 1 View
Good day, may you suggest a reference method for micrometers calibration? Thanks in advance Stefano
07 February 2024 8,074 3 View
Hy, may you suggest a method to determine citrate and citric acid by ionic cromatography? Thanks in advance Stefano
09 June 2023 1,485 0 View
Good day, may you suggest a method for bis phenolA determination by HPLC UV-VIS, in water samples? Thanks in advance Stefano
05 April 2023 6,764 3 View
Hello, I am accrediting the acute toxicity assay with Daphnia magna ISO 6341; may you suggest how to express the measurement uncertainty with the confidence interval? Thanks in advance.
10 March 2021 5,492 2 View
Hy, may you suggest a method to quantify acetic acid in wastes or leaching test? Thanks in advance Stefano
11 December 2020 4,374 2 View
Hy, i'd like to quantify isocyanate in ambient air with HPLC /UV, as suggested in NIOSH method 5551, after extraction from sampling tube containing an inert support impregnated with...
31 August 2016 9,829 1 View
May you suggest a method to quantify organic selenium in food? I thought to express it, as the difference between total selenium and inorganic (water soluble forms), but i'm not sure to extract...
21 March 2016 3,462 5 View
May you suggest a method to produce hyaluronic acid from wheat on pilot scale? Thanks in advance Stefano Salvatori
03 March 2016 6,152 3 View
Hy i need to quantify total alkaloids in ferilizer and plants, may you suggest an official methods? Thanks in advance Stefano
25 September 2015 3,717 3 View
HY, do you know a method to extract residual metals in vegetables and quantify them with ICP MS? Thanks in advance Stefano
28 August 2015 649 6 View
May you suggest a metod for mannitol determination in medical device? Thanks in advance
19 May 2015 2,506 0 View
Hy, may you suggest a method to quantify Vitamin A in a liposomal solution of medical device with HPLC? How can i avoid degradation during extraction process? Regards Stefano
06 May 2015 4,932 1 View
May you suggest a reference about the correct choice of column and stationary phase in HPLC? Thanks in advance Stefano Salvatori
16 March 2015 6,526 3 View
Do you know a method to quantify Inulin in food? Thanks in advance. Stefano.
06 February 2015 7,112 3 View
Hy, do you know a method to quantify EDTA -metal chelates in water? Thanks for your answers! Stefano
05 February 2015 1,084 4 View
Thanks in advance!
01 December 2014 8,641 2 View
see above.
22 October 2014 8,102 5 View
.
15 October 2014 6,363 3 View
LOQ it's about 0,05 ppm Regards
02 September 2014 5,561 4 View
Hey, I'd like to hydrolyze starch with HCl in hot water and quantify as reducing sugar with Feehling reaction. What are the conditions to have a complete hydrolysis of starch (acid concentration,...
27 July 2014 6,821 8 View
I have to analyze it in olive.
21 January 2014 9,454 3 View
Seeking advice on Cysteamin.
11 October 2013 9,988 3 View
How to analyze hydroxylamine in fertilizer?
13 May 2013 2,642 1 View
