Stefano Salvatori

18 Questions 16 Answers 0 Followers

Questions related from Stefano Salvatori

Micrometer calibration reference method?

Good day, may you suggest a reference method for micrometers calibration? Thanks in advance Stefano

07 February 2024 8,007 3 View

Citrate Acid and Citric determination by ionic cromatography?

Hy, may you suggest a method to determine citrate and citric acid by ionic cromatography? Thanks in advance Stefano

09 June 2023 1,412 0 View

Bisphenol A determination ?

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 6,696 3 View

How to express the measurement uncertainty with the confidence interval (Daphnia magna ISO6341)?

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 5,446 2 View

Acetic acid in liquid waste ?

Hy, may you suggest a method to quantify acetic acid in wastes or leaching test? Thanks in advance Stefano

11 December 2020 4,295 2 View

How can i quantify isocyanate in ambient air after sampling with glass tubes containing an inert support ?

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 9,772 1 View

Organic selenium extraction?

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 3,413 5 View

Hyaluronic acid from wheat ?

May you suggest a method to produce hyaluronic acid from wheat on pilot scale? Thanks in advance Stefano Salvatori

03 March 2016 6,110 3 View

Can you suggest an official method for total alkaloids in plants and fertilizer?

Hy i need to quantify total alkaloids in ferilizer and plants, may you suggest an official methods? Thanks in advance Stefano

25 September 2015 3,667 3 View

Can anyone help with vitamin A determination in liposomal medical device?

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 4,873 1 View

Correct HPLC column?

May you suggest a reference about the correct choice of column and stationary phase in HPLC? Thanks in advance Stefano Salvatori

16 March 2015 6,473 3 View

Are you familiar with an Inulin determination method?

Do you know a method to quantify Inulin in food? Thanks in advance. Stefano.

06 February 2015 7,062 3 View

Do you know a method to quantify chelated iron to lignin sulfonate in a fertilizer?

Thanks in advance!

01 December 2014 8,593 2 View

Do you know a method to quantify peracetic acid and hydrogen peroxide, in a disinfectant?

15 October 2014 6,299 3 View

Can you suggest a method for ethylene glycol determination in sea water?

LOQ it's about 0,05 ppm Regards

02 September 2014 5,510 4 View

How can I carry out starch hydrolysis?

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 6,748 8 View

Do you know of a method to analyze ferrous gluconate?

I have to analyze it in olive.

21 January 2014 9,403 3 View

Can someone suggest some methods to determine the titer of cysteamin hydroclorid by HPLC or by titration?

Seeking advice on Cysteamin.

11 October 2013 9,939 3 View