Chemical test kit for the determination of nitrogen: colorimetric: NED phosphorus: colorimetric ascorbic acid Potassium: turbidimetric: tetraphenylborate Package Size: 25/25/25/25 tests
Ionic strength adjusting solution for use with fluoride, chloride, bromide and iodide electrodes
ISA Alkaline for Ammonia & Cyanide 500 mL bottle
ISE Standard solution 0.1M of ammonia std. (as N), 500 mL bottle
ISE Standard solution 100 mg/L (ppm) of ammonia std. (as N), 500 mL bottle
ISE Standard solution 100 mg/L (ppm) of ammonia std. (as N), 500 mL bottle
ISE Ammonia Filling Solution, 30 mL bottle (4)
ISE Carbon Dioxide Filling Solution, 30 mL bottle (4)
ISE Standard solution 0,1M of Bromide std. (as N), 500 mL bottle
HI3864 CTK Phenol
สารเคมีสำหรับวัดค่าแคลเซียมและแมกนีเซียม ช่วงสูง HI93752-01 (100 Tests)
HI4001-00 ISA Alkaline for Ammonia & Cyanide ISE, 500 ml Bottle