low heavy metals bone collagen peptone

{"cid":"91200154","title":"High Nitrogen Content Bone Collagen Peptone with Low Heavy Metals for Microbial Culture and Fermentation Processes","imgUrl":"https:\/\/img.chinax.com\/nimg\/2c\/8a\/4051d925b969b4be65964706438b-200x200-1.jpg","attrs":{"Brand Name":"Sichuan Shihong","Model Number":"Bone Collagen Peptone","Material":"Bone","Amino N":"2.5%","Shape":"Powder","Type":"Nutrient Supplement","Proteincontent":"\u2265 80%","Shelf Life":"Two Years When Properly Stored","Ph":"6.5 - 7.5 (1% Solution)","Heavy Metals":"\u226410ppm"}}