The bath, containing both thiosulfate and sulfite as complexion agents, is non-toxic, suitable for storage and operation. 另外，此溶液包含硫代硫酸盐与亚硫酸盐，属于一种非毒性物质，故可以很容易的贮存和操作。
Softwood sulfite pulp is light colored and contains a comparatively small amount of lignin. 亚硫酸盐针叶木浆颜浅，木素含量相对较低。
