ISE Standard solution 0,1M of Calcium std. (as N), 500 mL bottle
ISE Standard solution 0,1M of Carbon Dioxide std. (as N), 500 mL bottle
ISE Standard solution 1000 mg/L (ppm) of Carbon Dioxide std. (as N), 500 mL bottle
ISE Standard solution 0,1M of Chloride std. (as N), 500 mL bottle
ISE Standard solution 100 mg/L (ppm) of Chloride std. (as N), 500 mL bottle
ISE Standard solution 1000 mg/L (ppm) of Carbon Dioxide std. (as N), 500 mL bottle
TISAB II for Fluoride ISE, 500 mL bottle
ISE Standard solution 100 mg/L (ppm) of Fluoride std. (as N), 500 mL bottle
ISE Standard solution 1000 mg/L (ppm) of Fluoride std. (as N), 500 mL bottle
ISE Standard solution 0,1M of Sulfate std. (as N), 500 mL bottle
081-855-1842
02-541-4199
น้ำยามาตรฐานสอบเทียบ 
สารละลายมาตรฐานสำหรับสอบเทียบสำหรับเครื่องรุ่น HI97735 (HI96735-11)