Method for determination of selenium in copper and copper alloys (FOREIGN STANDARD)
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/2006

Methods for determination of cadmium in copper and copper alloys
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/1997

Methods for determination of cadmium in copper and copper alloys (FOREIGN STANDARD)
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/2006

Methods for chemical analysis of electrolytic cathode copper
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/1990

Methods for determination of lead in zinc metal
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/1989

Methods for determination of iron in zinc metal
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/1989

Methods for determination of cadmium in zinc metal
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/1989

Methods for determination of tin in zinc metal
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/1989

Methods for chemical analysis of tin metal (FOREIGN STANDARD)
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/1993