Inorganic Chemistry Book?

Hello everyone. I need an inorganic chemistry book named 'Selected Topics in Inorganic Chemistry' written by Wahid U. Malik, G.D. Tuli, and R.D. Madan. I will appreciate it if someone helped....

31 December 2020 7,156 3 View

What is the EPA/WHO Maximum Residual Limit (MRL) for pesticides in food?

I searched on internet to find out the MRLs values for pesticides in food but not found any authentic data, can anyone please share link or pdf file of EPA/WHO MRLs standard for pesticides in food.

12 November 2020 5,015 8 View

How to resolve base line issue in GC-MS/MS?

In GC-MS/MS pesticide analysis the base line is neither starting from zero nor it is straight even it is fluctuating from peak to peak. Baseline also vary when changing selected ions in SIM scan....

23 September 2020 6,306 4 View

How we can eliminate background signals/noise in GC-MS/MS?

In GC-MS/MS I run the pesticide mix standard (in Acetonitrile) using SIM mode in which sharp well seperated peaks appeared, but there are ups and downs in base line. The same problem comes when...

08 September 2020 3,935 6 View

Is it possible for single analyte to show two peaks at different retention times in GC-MS/MS?

19 August 2020 3,736 3 View

For what reasons a Peer Review of an article can be rejected/cancelled or called back by a member of the editorial team of a journal?

Some times it happens that the Peer Reviewers take a long time to reply to editor's request to review or to actually review an article sent to them for review. The Reviewer may have conflict of...

14 July 2020 9,221 3 View

X-tremeGENE X RNAiMAX lipofectamine Transfection Reagent?

Dear all, Our lab is considering purchasing the X-tremeGene lipofectamine reagent (Roche), but as we've always used the RNAiMAX for our siRNA transfections, we are a bit concerned with the...

04 March 2020 3,771 3 View

What type of optical behaviour of refractive index abd dielectric function is considered a good behaviour??

02 December 2019 5,444 1 View

Is there any bandgap criteria for perovskites use in solar cells.Is 1.6 eV or 1.042eV good band gap for PSCs?

i am currently trying different dopants to increase the band gap.The band gap of pure perovskite is 1.5eV

18 October 2019 8,827 4 View

Suggestions for ICP-MS/OES paid analysis provision ??

Dear Scholars, I need to know is there any possible lab, institute or organisation in world providing economical ICP-MS/OES based elemental analysis of soil and plant samples. I need to get my...

08 July 2019 3,830 3 View

Which is a lucid standard comprehensive book to guide on psychological scale construction and its standardization?

02 March 2021 7,082 3 View

Looking for genomic DNA extraction kits from mouse tissue (centrifuge-based, not spin-column)?

Hello. I am looking to extract genomic DNA from mouse brain and lungs and I need a kit that is not spin-column based because I need to scale up the solution amounts for 400mg tissue (most cap at...

25 February 2021 155 2 View

How do I understand the relationship of age and the answers on Likert scale?

Hi people, I want to see the relationship between 4 age categories and Likert scale questions on SPSS, which method or test is the best to find that out? To be more exact, I want to measure if the...

10 February 2021 2,241 3 View

Where can I find the Affiliate Stigma Scale developed by Mak and Cheung?

Need the scale for a dissertation. Would be better if I could get it for free since my work is not funded. I need the English version of this scale.

09 February 2021 4,022 3 View

Any recommendations for open-source survey form builder, which has option for semantic differential scale questions apart from Likert scale?

Asking this as Google forms doesn't allow multiple items in a semantic differential format.

04 February 2021 5,869 4 View

Can I add a neutral option in a 4-point Likert scale?

Hello, I want to use a motivation scale with my students (secondary school) for my research, but the scale is in a 4-point Likert style with no neutral option (Certainly true - True - Not True -...

04 February 2021 4,757 13 View

How do I scale up a column for preparative isolation/purification from analytical conditions in HPLC?

What protocol should I follow to determine optimum separation conditions using an analytical column in an HPLC system?

03 February 2021 7,288 3 View

Hello friends, happy evening !! I am just wondering if you would know where I can find the (ALTS) altruism scale by S.N.Rai and S Singh to download ?

ALTS is an altruism scale developed by S.N Rai and S.Singh.

02 February 2021 7,243 2 View

How is it possible to rank variables using Likert scale?

Hello Everyone, I have a questionnaire of a 3-point Likert scale for an overall evaluation for a service, and several detailed attributes evaluation of that service. For example: Overall...

31 January 2021 9,612 8 View

How can I use nonparametric tests for Likert scale?

I have 32 items 5-points Likert scale to capture 4 different theoretical constructs. I am going to compare two independent groups. The Liker scale is treated as ordinal. - Construct 1=...

30 January 2021 8,482 14 View