... eraser » 橡皮擦 Green crystalline powder » 绿色结晶性粉末 and fulfill the market demands, » 满足市场的需求， ...
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性状：本品为黄色或黄绿色结晶性粉末；无臭，味微咸；
Appearance : yellow or yellow-greenish crystalline powder , smelless, saltish hygroscopic .
性状：深绿色结晶或结晶性粉末，带青铜光泽，无气味，溶于水、乙醇、氯仿；不溶于乙醚，水溶液为蓝色。
Porperties:Bottle green crystal or crystalline powder, with gunmetal shine, without smell, solve in water, ethanol and chloroform, insolve in aether, water liquor is blue.
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