000 00749nam a2200205 a 4500
001 72685
003 BD-RjUL
005 20211209082310.0
008 170522s190? xxua|||| |||| 000 0 eng d
035 _a(BD-RjUL)72903
040 _aBD-RjUL
_beng
_cBD-RjUL
_dBD-RjUL
041 _aeng
082 _223
_a542.1
_bLOW 190?
245 1 0 _aLow-cost instrumentation based on operational amplifiers for potentiometry and conductometry with illustrative experiments /
_cUNESCO
260 _a[Place of publication not identified] :
_bInternational Union of Pure and Applied Chemistry, Committee on Teaching of Chemistry,
_c190?
300 _ax, 82 p. :
_bill. ;
_c32 cm.
650 _aChemical apparatus
_9209767
710 _aUNESCO
_9215016
942 _2ddc
_cBK
999 _c72685
_d72685