fire assay cupel gold silver analysis

{"cid":"91202356","title":"Magnesia Cupel 96% MgO Round Refractory Cupel Fire Assay Gold Silver Analysis","imgUrl":"https:\/\/img.chinax.com\/nimg\/02\/6e\/883749af56d2b5087b3dcf82b47e-200x200-1.jpg","attrs":{"Price":"Negotiate","Brand Name":"Y&X","Model Number":"Fire Assay Cupel & Cupel Block","Minimum Order Quantity":"1 Set","Delivery Time":"15-30 working days","Material":"Magnesium Oxide (MgO)","Place of Origin":"China","Tested Material":"Gold, Silver & Precious Metals","Cupel Block Capacity":"4\u201324 Samples","Certification":"","Packaging Details":"Export-grade carton with shock-proof foam, custom packaging available","MgO Content":"96%","Application":"Fire Assay Cupellation","Product Name":"Fire Assay Cupel & Cupel Block","Payment Terms":"T\/T,L\/C","Supply Ability":""}}

{"cid":"91224734","title":"85x135cm Mineral Fire Assay Clay Crucible for Melting Gold Silver","imgUrl":"https:\/\/img.chinax.com\/nimg\/ca\/03\/4d22f59de9fc1e83399d85edfb66-200x200-1.jpg","attrs":{"Price":"Negotiated","Brand Name":"YH","Model Number":"YH","Minimum Order Quantity":"10","Delivery Time":"10-30days","Certification":"ISO,CE","Place of Origin":"CHINA","Payment Terms":"L\/C,D\/A,D\/P,T\/T,Western Union","Supply Ability":"10000pcs per month","Packaging Details":"by caront or wooden case","Dielectric Strength":"15 KV\/mm","Chemical Composition":"Al2O3 (Aluminum Oxide)","Color":"White Or yellow","Electrical Insulation":"Excellent","Operating Temperature":"Up to 1700\u00b0C","Low Thermal Expansion":"Excellent","Biocompatibility":"Yes","Alumina Content":"95-99.7%","Flexural Strength":"300 to 400 MPa","Thermal Conductivity":"20 to 30 W\/m\u00b7K","Machinability":"Difficult","Maximum Use Temperature":"1700c","Transparency":"Opaque","Surface Finish":"Polished"}}