ph electrode regeneration with hcl

{"cid":"91219812","title":"Beads Ion Exchange Resin D001 H\/Na For Softening Hard Water","imgUrl":"https:\/\/img.ismap.com\/nimg\/f9\/40\/929d13f79dfc84ffd69bd27c266d-200x200-1.jpg","attrs":{"Brand Name":"JOYWAY","Model Number":"D001 H\/Na","Place of Origin":"China","Total Exchange Capacity meq\/g\u2265":"4.80\/4.35","Volume Exchange Capacity meq\/ml\u2265":"1.70\/1.80","Water Retention":"48-58 \/ 45-50","Bulk Density":"0.74-0.80 \/ 0.77-0.85 g\/ml","Specific Density":"1.16-1.24 \/ 1.25-1.28 g\/ml","Particle Size":"(0.315-1.25 mm)\u226595 (\uff1c0.315mm)\u22641","Effect Size":"0.40-0.70mm","Homogeneous Coefficient":"\u22641.60 max","Roundness after Wearing":"90 min","Appearance":"Light brown","Ionic Form Supplied":"Na"}}