How to simulate the chemical composition of soil or clay?

Recently, I am interested in the acid buffer capacity of soil, clay, dust and ash. I want to use model compounds to estimate the which compounds really works in soil to show strong acid buffer...

03 April 2018 1,627 6 View

Which chemical in soil lead to the strong acid buffer capacity through cation exchange ?

It might be weak acid and acid salt, cation exchange and the existence of organic matter lead to the acid buffer capacity of soil. However, it was still confused me that which component results in...

03 April 2018 6,137 4 View

Why the cation exchange capacity of Fe is stronger than Al ?

03 April 2018 5,378 3 View

Can anyone suggest me some books or literature related to acid buffer capacity of soil ?

Recently, acid buffer capacities of soil were related with my research. However, the factors(cation type, weak acid or weak acid salt, organic matter content and so on) which influence the acid...

02 March 2018 8,957 0 View

How to understand cation exchange behavior in soil colloid ?

02 March 2018 7,578 0 View

Could the cation exchange capacity of Zn(II) be stronger than that of H ion?

01 February 2018 1,681 2 View

How to prepare ICP-AES samples for ion determination?

Recently, i am trying to detect ion contents in soil. The soil contains much aluminum and iron. I use 1 mL of nitric acid to digest the soil samples of 1g. This is conventional method to extract...

10 November 2017 7,713 5 View

Why is the cation exchange capacity of Fe(III) stronger than that of H ion?

Hi, everyone.Recently, I want to change the acid buffer capacity of soil or soil colloid by using FeCl3 and Hcl. I found FeCl3 showed better performance in changing the acid buffer capacity of...

09 October 2017 1,285 12 View

How to determine the redox potential of cellulose?

Hi, everyone. Recently, I want to detect the redox potential of cellulose by using electrochemical workstation. I am a little confused of the procedure of doing this detection. Should I use the...

01 January 1970 8,878 3 View

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Normally, for breaking the structure of lignocellulose, pretreatment strategy was recommended. However, with the increasing pretreatment severity, the pretreated residues and liquor were blacker...

01 January 1970 2,392 2 View

Could you recommend any books about Number Theory?

Beginner level books. High level books. Analytical Number Theory. Algebraic Number Theory. Combinatorical Number Theory. Books about partitions. Books about primes.

03 March 2021 7,174 5 View

Guidelines for survey (question type) analysis?

Hi. Please tell me what guidelines should i need to follow for questionaries' type research work in India. It is not hospital based work, we are conduction basic institutional based qualitative...

03 March 2021 2,037 3 View

What kind of intervention will be relevant to increase motivation among young sport trainees?

Any suggestion on what book to read is also welcome.

03 March 2021 1,646 4 View

What is the best way to keep an anaerobic chamber anoxic in the absence of hydrogen?

I'm a graduate student who works with an anaerobe, so I often work in an anaerobic chamber. I've been working on an assay that involves the steady-state of the quinone/ quinol pool. Anoxic...

03 March 2021 2,971 1 View

How to access MSCI KLD Stats and Sustainalytics?

Hello all, I'm currently working on my undergraduate thesis and I'm having difficulties trying to access KLD Stats and Sustainalytics because my campus Airlangga University and apparently other...

02 March 2021 8,525 1 View

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 View

Ideas for Phd's Thesis on pricing (Marketing)?

Hi everyone, I'm studying Marketing and I would like to write my PhD thesis on the topic of pricing. Any specific ideas?

02 March 2021 9,706 5 View

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02 March 2021 3,060 3 View

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02 March 2021 932 1 View

How to calculate BREQ 3 questionnaire?

how to calculate BEHAVIOURAL REGULATION IN EXERCISE QUESTIONNAIRE BREQ 3 ,which contain 24 questions and each question has 5 answers (0- Strongly disagree , 1-disagree, 2- Neither agree nor...

02 March 2021 811 3 View