硝酸银是进行化学分析的一种重要的实验试剂。
Silver nitrate is an important laboratory reagent for performing chemical analyses.
因此，在进行高分子化学实验之前，有必要对所用试剂进行纯化。
Therefore, when polymer chemistry experiments, it is necessary for the reagents used for purification.
我公司专业经营化学试剂、食品添加剂、医药辅料，标准品及实验室消耗品，品种达4000余种，行销全国三十多个省市、自治区。
Our company is specialized in trading chemical reagent , food additive , pharmaceutical adjuvant , standard substance and laboratory consumables , totally over 4000 types.
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