Abu Saeed Baidya

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Questions related from Abu Saeed Baidya

How to precipitate FeOOH from a FeCl2 solution in mildly acidic (pH 5.5-6.5) condition?

Dear researchers, Do you have an idea how to precipitate FeOOH from a 2mM FeCl2.4H2O solution at pH 5.5 to 7? I know that adding NaOH in an FeCl2 solution would help precipitate FeOOH. However,...

25 January 2023 1,187 0 View

Optimal values of k during imputation of data by the K-nearest neighbor method in R?

Dear Researchers, We are trying to impute values in a large data set (n=1950) by k-nearest method. There are 60 nos. of missing data which are needed to be imputed. The data will be used for PCA...

04 June 2021 4,998 3 View

Redox conditions for graphite precipitation in hydrothermal systems?

Dear Researchers, We have found a hydrothermal association of biotite-sulfide (chalcopyrite-pyrrhotite-Co-rich sulfides)-uraninite-graphite-allanite with minor tourmaline and xenotime. We are...

08 May 2021 627 5 View