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Questions related from Xinxing Wu
Recently, i want to know which kinds of mineral contributed to high cation exchange capacity in clay (maybe contain much Al and Mg in the mineral ) . I do not know how to analysis the clay...
20 April 2018 2,005 6 View
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...
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Hi, everyone. Recently, I am trying to do some works with alkaline lignin which purchased from sigma-aldrich. However, when I use to distilled water to mix with alkaline lignin and adjust the pH...
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Recently, i am working on the buffer capacity of soil colloid. Can anyone suggest me a method to determine the concentration of humic acid in soil colloid.
19 July 2017 4,422 2 View
Recently, I have got a compound which was dissolving in 1M NaOH. When I use 0.5 M H2SO4 to neutralize the supernatant, I found the liquid would precipitate and following add acid would lead to the...
01 January 1970 4,475 2 View
What is the difference between cellulose II and cellulose I? Cellulose II could be generated by alkaline extraction or phosphoric acid treatments of cellulose I. What is the difference of these...
01 January 1970 6,982 2 View
Dear professors, Plant ash was generated from the combustion of biomass. It is a oganic-inorganic composites consisted of coals and stones. I wanna convert the coals part and part of nutrient...
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