gold refining purification by electrolysis

{"cid":"91212607","title":"Wet Way Purification Gold Refining Machine 99.999% High Purity Electrolysis Gold Recovery","imgUrl":"https:\/\/img.ismap.com\/nimg\/6d\/ed\/0cf0f8e14693b7d752682eb2cd1f-200x200-1.jpg","attrs":{"Price":"negotiate","Brand Name":"gremet","Model Number":"50 kg","Minimum Order Quantity":"1 set","Delivery Time":"30 days","Certification":"CE","Place of Origin":"wuxi","Supply Ability":"100-200 sets","Packaging Details":"plywood case"}}

{"cid":"91220244","title":"Easy Installation Hydrogen Gas Purification Unit For Water Electrolysis Machine","imgUrl":"https:\/\/img.ismap.com\/nimg\/91\/97\/e04871ae54f223c1a5eaf0241201-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"KERONG GAS","Model Number":"KRH","Minimum Order Quantity":"1 pc","Delivery Time":"8 weeks","Certification":"ISO9001","Place of Origin":"China","Payment Terms":"L\/C, T\/T, Western Union, MoneyGram","Supply Ability":"1000pcs per year","Packaging Details":"Wooden box","Name":"Hydrogen Gas Purification Unit","Dew point":"-70\u2103","Material":"Stainless steel or carbon steel","Capacity":"10Nm3\/hr~10000Nm3\/hr","Pressure":"10bar or with more","Raw material":"cracked ammonia gas or cracked methanol gas"}}