Compared with other holographic materials such as holographic silver halide plate and dichromate gelatin, the obvious advantage is no wet processing.
聚合物相对于其他全息材料，如银盐感光材料，重铬酸盐明胶，一个显著的优点就是不需要进行湿化学处理。
To remove main disturbing ion, chlorine ion in the COD potassium dichromate reflux method, silver sulfate replaces mercury sulfate as a screening agent.
对cod重铬酸钾回流法中的主要干扰离子，氯化物的消除，选择了用硫酸银代替硫酸汞做掩蔽剂。
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