硝酸鹽離子選擇電極
用來量測 0.5 ppm 到飽和溶液濃度 (7x10-6 M to Saturated) 的硝酸鹽。
目前已知的應用包含：地表水和污水，飲用水和土壤萃取物，化肥，泥土，植物組織，肉，馬鈴薯， 菠菜，甜菜，嬰兒食品。
N
儀器需求：可使用現有pH計搭配半對數圖作線性回歸測量；或是包含可量測各類離子功能的進階pH計(或稱離子計)。
Model # NO31502
Slope 56 ± 3 mV between 10-100 ppm @ 25°C
Reproducibility ± 2%
Interferences CIO4-1, I-1, CN-1, BF4 2-
Temperature Range to 40° C (if caIibrated at that temperature)
Pressure Range 0 to 30 psi
Response Time 95% response in 30 seconds
Storage Long term, store dry
Short term, store in diIute nitrate standard
Concentration Range 0.5 ppm to Saturated (7 x 10-6 M to Saturated)
pH Range 2.5 to 11 pH
Resistance 100 megaohms
Care, Maintenance &
Cleaning
Treat with distiIIed water foIIowed by nitrate standard
Isopotential Point 10 ppm
On-Line Capability Yes
Applications Surface Waters, Sewage EffIuent Drinking Waters, SoiI Extracts,
FertiIizers, SoiIs, PIant Tissue, Meat, Potatoes, Spinach, Beets, Baby
Food