(1) TMP bleaching with sodium hydrosulfite in refiner is practiced in the mill . The advantage and corrosion problem, the reasons of corrosion and the solution measure are discussed.

(2) It shows that determination of sodium hydrosulfite content is less affected by time and temperature change when acid...

(3) The effect of white water consistency on hydrosulfite bleaching of DIP and TMP pulps was introduced in this paper.

(4) The hydrosulfite in beer would cause deviation of the determination of diacetyl content in beer by EBC method.

(5) It shows that determination of sodium hydrosulfite content is less affected by time and temperature change when acidified with hydrochloric acid than wi...

(6) A method of determining alkalinity and sodium hydrosulfite content in indigo solution, using potentiometer, is reported.

(7) It is necessary to guarantee definite concentration of sodium hydroxide and sodium hydrosulfite for enhancing coloring quality in colorating.

(8) In the paper, the analysis and prospects on sodiuM hydrosulfite application in Chinese pulp and paper industry are Made.

(9) The principle and method of recovering of silver and regeneration of waste colour bleach fix solution with sodium hydrosulfite is described.

(10) The results showed that the decolorizing effect of sodium hydrosulfite was the best and the bleaching ability of FAS was the highest.

(11) The system includes an on-line real-time the concentration of sodium hydrosulfite detecting device.