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鹽與亞硫酸鹽，屬於一種非毒性物質，故可以很容易的貯存和操作。
Softwood sulfite pulp is light colored and contains a comparatively small amount of lignin. 亞硫酸鹽針葉木漿顏淺，木素含量相對較低。
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