Can someone teach how to do ionic balance for wastewater samples?

Kindly suggest me.

05 June 2017 2,556 5 View

Is there any possibility for getting higher BOD value than COD in refinery waste water samples?

Generally, which parameter can be high in refinery waste water.

04 May 2017 4,634 28 View

Is there any possibility for getting higher Emulsified Oil value than Free oil in refinery waste water samples?

04 May 2017 382 3 View

Can someone provide me BSEN 60079-29-2 standard method?

10 November 2016 3,325 1 View

How can i calculate and plot Noise Rating Curve?

If someone has related documents or excel sheet, please provide me as soon as possible. Thanks in advance

10 November 2016 9,292 0 View

Could someone suggest any international standard method for microbial Indoor air quality?

10 November 2016 5,526 5 View

I have some rainfall data since 1984 to 2016. Can i predict for rainfall upcoming 2050 using this data?

Kindly provide me datail about the same without using model. please also suggest good model for the same. Thanks in advance.

09 October 2016 1,234 7 View

How can i calculate stack emission rate in kg/hr?

I want to calculate emission rate in kg/hr. its urgent please suggest me.

01 February 2016 5,701 2 View

Can someone provide me some methods?

ISO - 8573-1: 2001 [E]ISO - 8573-2: 1996ISO - 8573-3: 1999[E]ISO - 8573-4: 2001 [E]ISO - 8573-5: 2001 [E]ISO - 8573-6: 2003[E]ISO - 8573-7: 2003[E]ISO - 8573-8: 2004 [E]ISO - 8573-9: 2004...

31 December 2015 5,653 0 View

Problem encountered when modeling with Delft3D?

Is there someone with experience with Delft3D from Deltares? I'm having a problem with Quickplot when I export a variable into ".mat" file format and try to re-open the exported file in Quickplot...

31 December 2015 1,831 0 View

How to simultaneously perform multiple biochemical assays?

I am a research scholar working on heavy metal stress on plants. I will be doing biochemical characterisation( protein, carbohydrate, proline, antioxidant enzymes and many more assays) at interval...

01 March 2021 6,999 3 View

Are there lab markers/pens resistant to Roti-Histol?

Hi, I'm looking for a pen/marker to write on the smooth, transparent (non-frosted) part of microscopy slides which does not get washed away by alcohols and most importantly Roti-Histol. I want to...

24 February 2021 9,902 5 View

Why is NH4OH added in heavy metals limit test?

The limit test I'm referring to is USP method II. In this procedure you need to dropwise add 6N of NH4OH to the sample until it the pH is alkali. After that you need to dilute and add HOAc until...

23 February 2021 2,049 3 View

Is this the write procedure for acid digestion of soil for heavy metal analysis using AAS?

How to do acid digestion of soil sample with 3:1 aquaregia in an open vessel?

23 February 2021 3,053 7 View

I want to simulate a system containing protein and heavy metals; which force field is most reliable for this purpose?

The protein I want to simulate has multiple heavy metals. I wanted to know which force-field I should use with GROMACS to achieve this. Most importantly, do the latest updates in the force-field...

16 February 2021 2,420 1 View

What can be use to mop up heavy metals from vegetables or soils in quarry mining site?

It has been established that quarry mining site polluted and contaminated it's environment with heavy metals, these affects the crops and vegetables planted in the area. The possible solutions to...

12 February 2021 1,155 5 View

Please how can i write a proposal on the methodolgies of AAS to determine heavy metalsin water?

Please I want to write a proposal on the methodologies of AAS to determine heavy metals in water. please any link can help.

08 February 2021 3,587 7 View

How to calculate the Boiling point for metals at high vapor pressure?

In our experiment, some metal surfaces are exposed to radiation heat under high vapor gas pressure. I would like to ask if there is any way to calculate the boiling point for metals under high...

31 January 2021 249 4 View

How can I prepare 300mg/L concentration of lead(II) nitrate ( Mol. Wt reffered is 331.21) incoorporated Luria-Bertani (LB) agar ?

I need to check the Heavy metal (lead) consumption assay using microbes at varying concentration in same media. ( 200mg/L to 2000mg/L).kindly help me to clear it.

19 January 2021 1,946 9 View

Method to measure printed layer thickness on paper substrate ?

I want to measure thickness of screen printed graphene ink on paper substrate. Can anyone suggest any accurate and feasible method to measure it. I tried profilometry (stylus & optical) but...

11 January 2021 6,179 6 View