{"product_id":"9784773503340","title":"金銀銅の不思議を探る","description":"金・銀・銅は，いろいろな性質が１，２，３位。\u003cbr\u003e金と真鍮・銀と白金の見分け方\u003cbr\u003e砂金を加熱すると銀色になる？\u003cbr\u003e鉱石から金銀銅を取り出す\u003cbr\u003e金属と微生物\u003cbr\u003e実験視聴QRコード付き","brand":"仮説社","offers":[{"title":"Default Title","offer_id":48593072455984,"sku":"","price":2750.0,"currency_code":"JPY","in_stock":true}],"url":"https:\/\/www.maruzenjunkudo.co.jp\/products\/9784773503340","provider":"丸善ジュンク堂書店ネットストア","version":"1.0","type":"link"}