na s o for pcb etching

{"cid":"91224289","title":"High Purity Sodium Persulfate Na\u2082S\u2082O\u2088 for PCB Etching with Low Iron Content and High Whiteness","imgUrl":"https:\/\/img.chinax.com\/nimg\/7d\/4e\/43c607f666f59ded3bf08650859c-200x200-1.jpg","attrs":{"Price":"Please contact customer service","Brand Name":"SiChun HongJian","Model Number":"Sodium persulfate","Minimum Order Quantity":"10Tons","Delivery Time":"About six weeks","Place of Origin":"China","Payment Terms":"T\/T","Supply Ability":"100,000 tons per year","Packaging Details":"Bagged","Chemical formula":"Na\u2082S\u2082O\u2088","CAS number":"7775-27-1","Appearance":"White crystalline powder"}}