The term calcium bicarbonate is identified in base64 scheme by the sequence Y2FsY2l1bSBiaWNhcmJvbmF0ZQ==, while the MD5 signature is equal to c7e433d83a91cd657949c9b3078e5b3f. The ASCII encoding of calcium bicarbonate in hexadecimal notation is 63616c6369756d206269636172626f6e617465.