characterization of nanoparticles

{"cid":"91192910","title":"Automatic Laser Nanoparticle Size Analyzer NXT-N9 Wet Method 0.5~10000nm or Particle Characterization of Samples","imgUrl":"https:\/\/img.chinax.com\/nimg\/22\/4a\/5c05d6be34ece86e53e3859dfaf6-200x200-1.jpg","attrs":{"Price":"USD 11471\/UNIT","Brand Name":"BAXIT","Model Number":"BXT-N9","Minimum Order Quantity":"1","Delivery Time":"5-7 working days","Certification":"CE","Place of Origin":"China","Payment Terms":"T\/T,Western Union","Supply Ability":"200pcs\/week","Packaging Details":"Wooden"}}

{"cid":"91224222","title":"High Speed Vibrating Sample Magnetometer Versatile Magnetic Property Measurement System","imgUrl":"https:\/\/img.chinax.com\/nimg\/cc\/a4\/e126469b45be0290b96e81a73884-200x200-1.jpg","attrs":{"Price":"Price Negotiable | Contact us for a detailed quote","Brand Name":"Truth Instruments","Model Number":"TIM-70","Place Of Origin":"CHINA","Payment Terms":"T\/T","Name":"Vibrating Sample Magnetometer","Magnetic Field Resolution":"1 \u03bcT; Closed-loop Control Stability \u00b110 \u03bcT","Temperature Options":"Variable Temperature Range 77 K\uff5e950 K; Temperature Stability \u00b10.2 K","Sample Holder Rotation Range":"\u00b1360-degree Electric Rotation","Sweep Field Speed":"0.5 T\/second","Magnetic Field Parameters":"2.8 T@air Gap 10 mm; 3 T@air Gap 3.5 mm; 2.4 T For Variable Temperature Testing","Noise Level":"40 Nemu At Room Temperature With 3.5 mm Sample Space; 189 Nemu For Variable Temperature Testing","Magnetic Moment Measurement":"Repeatability \u00b10.5%; Stability \u00b10.05% Full Range"}}