共 12 条
- [1] HORWITZ W, 1970, OFFICIAL METHODS ANA, P123
- [2] LEPPER HA, 1950, OFFICIAL METHODS ANA, P13
- [3] Muzzarelli R. A. A., 1977, CHITIN
- [4] MUZZARELLI RAA, 1973, NATURAL CHELATING PO, P164
- [5] MUZZARELLI RAA, 1973, NATURAL CHELATING PO, P100
- [6] Peniston Q.P., 1970, U.S. patent, Patent No. [3,533, 940, 3533940]
- [7] PENISTON QP, 1977, COMMUNICATION 0311
- [8] RETTIG CE, 1975, Patent No. 3863122
- [9] Rigby G. W., 1936, U.S. Patent, Patent No. [2040879, 2, 040, 879]
- [10] Rigby GW, 1936, US Patent, Patent No. [2047226, 2,047,226]