[C19-162-595] Standard Solution 10 uS/cm 250 ml bottle + 92,400원
[C19-162-600] Standard Solution 84uS/cm 250 ml bottle + 69,300원
[C19-162-605] Standard Solution 500 u/cm 250 ml bottle + 69,300원
[C19-162-640] Standard Solution 12.88 mS/cm 30 x 20ml sachets + 182,600원