It is found that UVa-1, dodecanol, radical trapper (0.1% or no) and anti-oxidant(0.5%) in aquatic solution are able to stabilize the brightness of reduced poplar APMP pulps (0.5% NaHB4) efficiently.

• 研究发现Uval、十二烷醇、游离基捕捉剂(0.；1%25或无)和抗氧化剂(0