redox titration

{"cid":"91223501","title":"ASTM D664 ASTM D2896 Auto Petroleum Tester TAN TBN Potentiometric Titration Equipment","imgUrl":"https:\/\/img.chinax.com\/nimg\/12\/12\/9d664ea768adcdfdf02b1fc24db4-200x200-1.jpg","attrs":{"Price":"Negotaible","Brand Name":"Lonroy","Model Number":"LR-O032","Minimum Order Quantity":"1","Delivery Time":"5-8 work days","Place of Origin":"China","Supply Ability":"200","Packaging Details":"Wooden package","Temperature Range":"10-50\u00b0C","Measurement Range":"0-1000 ppm","Power Supply":"AC 220V\/50Hz","Certifications":"ASTM D2896 ASTM D664","Burette volume":"10 mL","Display":"LCD","Operating System":"Windows","Certification":"ISO ASTM CE","Payment Terms":"L\/C,D\/A,D\/P,T\/T,Western Union"}}

{"cid":"91195998","title":"(0.00\uff5e14.00)pH Automatic Potential Titrator with RS-232 Communication Port","imgUrl":"https:\/\/img.chinax.com\/nimg\/c9\/67\/bde7207998ae09029adcab01da48-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"AI","Model Number":"ZDJ-4B","Minimum Order Quantity":"1 set Automatic Potential Titrator","Delivery Time":"20 days","Certification":"ISO","Place of Origin":"China","Payment Terms":"L\/C, T\/T, Western Union","Supply Ability":"20 sets per month","Packaging Details":"Automatic Potential Titrator packed in Carton","Keyword":"Potential Titrator","Measuring items":"pH,mV,temperature","Dimension":"340\u00d7400\u00d7400mm3","Weight":"10KG","Display":"LCD","Power supply":"AC (220\u00b122)V\uff0c(50\u00b11)Hz","Warranty":"1 Year","Measuring range":"(0.00\uff5e14.00)pH"}}