Houda Javed

6 Questions 5 Answers 0 Followers

Questions related from Houda Javed

How to prepare dose of melamine in corn oil?

How to prepare doses of melamine in corn oil to be administered to mice where in literature, the LD50 of melamine in mice is 3.5 mg/g BW?

07 February 2023 2,107 0 View

Standard in mixture form is not giving separate peaks, Why??

I am using the standard in the form of mixture i.e EPA VOC Mix 2 (2000 microgram per ml each component in methanol). As mentioned in COA, it is having 14 components / analytes. When this...

21 August 2017 9,783 2 View

Solution to avoid/reduce gaseous emissions during plastic recycling especially during melting of plastic?

What is the cost-effective solution to deal with gaseous emissions generated as a result of melting of plastic films or sheets in a plastic recycling process??

08 May 2017 8,840 3 View

In case of HPLC, which one is most suitable? An analytical Standard or a Solution??

Like in case of Toluene, which one is suitable for HPLC? 89680 Sigma-Aldrich or CRM48620 Supelco

27 February 2017 7,390 3 View

A digital instrument for TVOC gave the readings in ppm.There is a need to convert this value to mg/m3? Is it possible now to perform this conversion?

Usually while performing this conversion from ppm to mg/m3, a molecular weight is required. For a reading of TVOC, we cannot use a single molecular weight. Is there any method to convert these...

16 February 2017 5,911 3 View

Is it necessary to prepare the compound to be detected in the same ratio of mobile phase in HPLC?

If the compound to be detected is being run in HPLC, is it necessary to prepare that particular compound with the mobile phase??

19 January 2017 1,290 14 View