漂白亚
1.Consists of coated bleached sulphite or suiphate papers,printed or unprinted in sheets shavings,guillotined books or quire waste.A reasonable percentage of papers containing fine groundwood may be included.
4.This text aims at the boiled lotus root easily browning, proceeding the bleaching and preventing of discoloration experiment, finally find out the most suitable bleaching and prevention of discoloration project:use 0.15% sodium hyposulfitc solution ,under 40℃ of the environment, bleaching 60 minutes, and 0.40% M agent or 0.20% citrc acid+0.10% vitamin C + 0.30% sodium hexametaphate+0.20% alum handle for 2-3 hours.
7.Study on the Bleaching of Wheatstraw Soda-AQ Pulp with Formamidnesulphinic Acid
9.Then the Baijiang soil can he classified into alfisol class, cold alfisol subclass and albic cold luvisols class.
10.Singlet oxygen (1O2) produced by illuminated photosensitizer Rose Bengal was delected by means of bleaching of N, N-dimethyl- nitrosoaniline (DMNA) . The 1O2 could be scavenged by green lea extracts (GTE) , and the scavenging effects were obviously at beginning of photosensitized oxidation.
