Mijan Rahaman

5 Questions 12 Answers 0 Followers

Questions related from Mijan Rahaman

Nitrate , nitrite , ammonium test can be alternative of total nitrogen ?

I have ion chromatgrahy by which different type of cation and anion can be determined . kjeldal nitrogen arrangement is also available but it is not convenient to me rather than ion...

11 December 2020 1,282 5 View

How i will ensure my chemical oxygen demand test(COD ) is rightly carried out ?

i carried out BOD and COD of same water sample . BOD and COD are respectively 7 and 52 mg /L . I am confused because i know COD is twice time of BOD. any procedure about ensure ?

01 January 2018 2,691 11 View

What is the test parameters of soil sample?

in water we have to check pH, EC, TDS, BOD. COD, Havy metals, and many other things. what is the parameter of soil sample and reference value from guide line.

31 December 2017 2,052 11 View

What is difference among flame mood, hydride generator, graphite furnance in AAS ?

i want to know the specefic difference among flame mood, Hydride generator , and griphite furnance in Atomic Absorption Spectrometer.

11 December 2017 496 3 View

Why BOD( sewage water) result not accurate .what is my mistake . test result is given bellow .

Started Date :13.07.16- 18.07.16 ( test A) Initial DO =2.22 mg/L. Blank DO= 8.72( after long time aeration ). Sample was diluted 3( 10ml- 20 ml-50 ml to 300 ml). calculation : Test -1 ( for 10...

28 July 2016 3,839 7 View