Europe PMC

Rapid food decomposition by H2O2-H2SO4 for determination of total mercury by flow injection cold vapor atomic absorption spectrometry.

A mixture of 50% H2O2-H2SO4 (3 + 1, v/v) was used for decomposition of food in open vessels at 80 degrees C. The treatment allowed rapid total mercury determination by flow injection cold vapor atomic ...
Europe PMC

Rapid Vanadium Extraction from Roasted Vanadium Steel Slag via a H2SO4–H2O2 System: Process and Mechanism

A H2SO4–H2O2 system was developed to enhance the efficacy of vanadium extraction from roasted vanadium steel slag. The optimum parameters and the behavior of vanadium extraction were investigated ...
Scientific Research Publishing

Ohyama, T. (1991) Analytical Procedures of N, P, K Content in Plant and Manure Materials Using H2SO4-H2O2 Kjeldahl Digestion Method. Bulletin of the Faculty of Agriculture ...

ABSTRACT: To investigate the effect of the application of rice husk (RH) and rice husk charcoal (RHC) on soil properties and rice production, pot experiment comprising of five treatments was conducted ...