what is buffering in chemistry

{"cid":"91219656","title":"Durable Chemistry Laboratory Workbench with Customizable Dimension L*1500\/750 W *800 \/850mm H and Buffer Hinge","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/51\/df\/576bdc6bc56fe80b8d187d451b62-200x200-1.jpg","attrs":{"Price":"Negociation","Brand Name":"SUCLAB","Model Number":"HZJT009","Minimum Order Quantity":"5 SETS","Delivery Time":"15 Days","Place of Origin":"CHINA","Certification":"ISO9001, ISO14001","Packaging Details":"Export Plywood Package","Payment Terms":"T\/T, D\/A, L\/C, D\/P, MoneyGram","Supply Ability":"10000 Sets \/Month","Handle":"Non-welded Linear Handle\/C-shared Handle\/ Insertion Aluminum Alloy Handle","Base cabinet":"Wooden \/steel Cabinet","Shape":"Rectangular Or Customized","Socket":"Multi-Functional With Splash-proof Box And Safeguard Cover Or Customized","Server type":"OEM & ODM","Material":"Steel Wood\/full Steel \/304 Stainless Steel\/PP \/...","Faucet":"Brass Body With Ceramic Valve Core, Coating With Epoxy Powder Coating","Hinge":"DTC 105\u00b0\/175\u00b0 Buffer Hinge\/stainless Steel Hinge","Weight":"150 pounds","Drawer Material":"Steel","Cabinet Lock":"Yes","Type":"Laboratory Furniture","Features":"Adjustable Shelves","Usage":"Chemistry\/Biology\/Physical Laboratory","Keyword":"Lab Furniture","Load Capacity":"300kg","Stability":"High","Assembly":"Easy","Surrance":"10 years","Tabletop Thickness":"12 MM Thickness","Accessories Type":"Chemistry Lab Equipment"}}

{"cid":"91222443","title":"Chemistry Resistance PU Buffer For Hydraulic Hammers 95 A Hardness","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/94\/39\/c2ed83df2468ec0e114e6dc375de-200x200-1.jpg","attrs":{"Brand Name":"jiuna","Model Number":"N\/A","Minimum Order Quantity":"10 pieces","Delivery Time":"7working days","Certification":"iso9001:2015","Place of Origin":"China","Payment Terms":"L\/C, D\/A, D\/P, T\/T","Supply Ability":"100 Tons\/Per Month","Packaging Details":"Wooden Case or Woven Bags, Pallet","Material":"Polyurethane","Model NO.":"Many","Surface Treatment":"Casting","Transport Package":"Wooden Case or Cartons","Origin":"China","Standard":"Iso9001:2017","Energy Source":"Electricity","Trademark":"Jiuna or at buyer\u2032s option","Specification":"Many","HS Code":"3926909090"}}

{"cid":"91197772","title":"CE High Purity PSA Nitrogen N2 Gas Generator for Chemistry","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/2c\/77\/ce3239c6a0a26195809ade4abc6f-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"SFX","Model Number":"SFXG","Minimum Order Quantity":"1 set","Delivery Time":"30-40 days after contract comes into effect","Certification":"23425244","Place of Origin":"Su Zhou, China","Payment Terms":"FOB Shanghai; T\/T,30% payment in advance,balance before shipment;","Supply Ability":"1000 sets \/ year;","Packaging Details":"Wooden case packing,Seaworthy packing","Name":"Nitrogen Generator","Type":"Highly Automated, PSA","Nitrogen Capacity":"1~3000Nm3\/Hr","Brand":"SFX","Color":"Customized Color","Model":"SFXG","Certificate":"ISO9001:2015; CE"}}

{"cid":"91211024","title":"Round Bottom 5ml Centrifuge Tubes Free Dnase Rnase Medical Chemistry","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/1d\/d8\/269e630a1f86acd51323ea2cf625-200x200-1.jpg","attrs":{"Brand Name":"Jian ,yongyue or customized","Model Number":"CT-5.0-T","Minimum Order Quantity":"500pieces","Certification":"CE,ISO","Place of Origin":"Jiangsu,china","Payment Terms":"T\/T, D\/P, D\/A, Western Union","Supply Ability":"1000000pieces\/day","Packaging Details":"500pcs\/bag 12bags\/carton","Material":"PP Material","Features":"-80\u2103 ~ 121\u2103","Cap":"Press Lid","Bottom":"Conical Bottom","Application":"Chemical Laboratory","Sizes":"0.5ml,1.5ml,2.0ml,10ml,15ml,50ml,500ml","Sterilization":"Pre-Sterile with Radiation","Usage":"Sample storage, transportation, separation"}}