Md. Imam Sohel Hossain

8 Questions 19 Answers 0 Followers

Questions related from Md. Imam Sohel Hossain

How to set up Oxygen environment for STA8000 PerkinElmer TG DSC analysis of coal sample?

We recently bought a STA 8000, PerkinElmer, Netherlands for TG DTA and DSC where we use Nitrogen as a purge gas to run sample. I would like to run sample under Oxygen environment to burn organic...

22 October 2023 1,866 0 View

How much cell pressure and back pressure should I apply to start for triaxial test for different types of soil?

We have recently purchased a triaxial test instrument (MATEST) for testing different types of soil. After installing software, we are facing a issue of saturation where the samples does not...

24 February 2021 7,753 4 View

How can i digest sample (river sand) for testing in the Atomic Absorption Spectrometer (AAS)?

I would like to know the percentage of Silica and Fe in river sand. I am a novice learner of AAS machine but i don't know how to prepare sample for digestion. Could anyone please help me how can i...

09 September 2020 2,749 6 View

Is it possible to identify the quartz polymorph (crystobalite, tridymite etc) under stereo microscope?

What are the characteristics to understand the presence of polymorphism of quartz grain in stereo microscope without XRD ot other machine? Just using intuitive knowledge using stereo microscope.

27 August 2020 7,274 1 View

For conducting a VES survey, how reliable is the 4-point light 10W resistivity meter?

We have a 4-point light 10W resistivity meter in our lab. I am looking for someone who are familiar with this resistivity meter and would share their experience about exploring groundwater with...

15 March 2020 1,536 3 View

Does anyone use lippmann's 4 point light 10W resistivity meter for groundwater exploration?

I just would like to know someones experience whoare used to explore groundwater by 4 point light 10W resistivity meter.

01 January 1970 6,499 3 View

Is it possible to observe the sand collected from particular depth and have the ability of understand in naked eye whether it is arsenic free or not?

Is it possible to observe the sand collected from particular depth and understand in naked eye whether it is contaminated with arsenic or not? Does anyone have empirical experience?

01 January 1970 5,987 13 View

Gamma Scout Alert Radiation Detector and Geiger Counter always show zero reading (not shows any background radiation)

We have a Gamma Scout Alert Radiation Detector and Geiger Counter (version 5.43). The instrument was bought few years ago and it was not used frequently. After passing long time now i am trying...

01 January 1970 661 5 View