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電極

輔助結(jié)構(gòu)

技術(shù)類型

使用量程

溫度/pH

干擾

Ammonia

 (NH₃) 氨

CPT4

Gas sensing

5 x 10^-7 to 1.0 M

(0.01 to 17,000 ppm)

0 to 50℃/

above 11

Volatile amines

Ammonium

 (NH₄⁺)銨

CPT1-4

PVC membrane

5x10^-6tol.0M

(0.1 to 18,000 ppm)

0 to 50℃/

4 to 10

K⁺

Bromide

(Br^-)溴離子

CPT1-4

Solid-state

5 x 10^-6 to 1.0 M

(0.4 to 79,900 ppm)

0 to 80℃/

2 to 14

S^-2,I^-, CN^-; high levels of Cl^-and NH₃

Cadmium

(Cd⁺²)鎘離子

CPT1-4

Solid-state

10^-7 to 10^-1 M

(0.01 to 11,200 ppm)

0 to 80℃/

2 to 12

Ag⁺, Hg⁺², Cu⁺²; high levels of Pb⁺² and Fe⁺²

Calcium

(Ca⁺²)鈣離子

CPT1-4

PVC membrane

5 x 10^-6 to 1.0 M

(0.2 to 40,000 ppm)

0 to 50℃/

3 to 10

Pb⁺², Hg⁺², Cu⁺², Ni⁺²

CO2/CO₃^-2

二氧化碳/碳酸根

CPT4

Gas sensing

10^-4 to 10^-2 M

(4.4 to 440 ppm)

0 to 50℃/

4.8 to 5.2

Volatile weak acids

Chloride (Cl^-)

氯離子

CPT1-4

Solid-state

5 x 1 0^-5 to 1.0 M

(1.8 to 35,500 ppm)

0 to 80℃/

2 to 12

S^-2,I^-, CN^-, Br^-,OH^-, NH₃, S₂O₃^-2

Chlorine (Cl₂)

氯

CPT1-4

Solid-state

5 x 1 0^-5 to 1.0 M

(1.8 to 35,500 ppm)

0 to 60℃/

2 to 12

Chlorine (Cl₂)

氯

CPT1-4

Solid-state

3 x 1 0^-6 to 0.1 M

(0.02 to 3,550 ppm)

0 to 60℃/

2 to 12

Per-Chlorinate (CIO₄^-1) 高氯酸根

CPT1-4

PVC membrane

5 x 1 0^-6 to 10^-1 M

(0.5 to 99,500 ppm)

0 to 60℃/

2 to 12

Copper (Cu⁺²)

銅離子

CPT1-4

Solid-state

10^-8 to 10^-1 M

(0.0006to 6350ppm)

0 to 80℃/

2 to 12

Ag⁺, Hg⁺², high levels of Cl^-, Br^-, Fe⁺², Cd⁺²

Cyanide (CN^-)

氰根

CPT1-4

Solid-state

5 x 10^-6 to 10^-2 M

(0.1 to 260 ppm)

0 to 80℃/

11 to 13

S^-2, I^-, Br^-, Cl^-

Ferrous (Fe^+2-)

 亞鐵離子

CPT1-4

Solid-state

7 x 10^-6 to 10^-2 M

(0.4 to 560 ppm)

0 to 60℃/

11 to 13

Fluoride (F^-)

氟離子

CPT1-4

Solid-state

10^-6 to saturated

(0.02 to saturated)

0 to 80℃/

5 to 8

OH^-

Fluoroborate

 (BF₄^-)氟硼酸根

CPT1-4

PVC membrane

7 x 10^-6 to 1.0 M

(0.1 to10,800ppm as B)

0 to 50℃/

2.5 to 11

ClO₄^-, I^-, CN^-

Hydrogen Sulfide (H₂S)硫化氫

CPT4

Gas sensing

10^-5  to 10^-1M

(0.3 to 3,300ppm)

0 to 60℃/

Iodide (I^-)

碘離子

CPT1-4

Solid-state

5x10^-6 to l.0M

(0.006 to 127,000 ppm)

0 to 80℃/

0 to 14

S^-2,CN^-,Br^-,Cl^-,NH₃, S₂O₃^-2

Lead (Pb⁺²)

鉛離子

CPT1-4

Solid-state

10^-1~5x10^-7 M

(0.01 to 20,700 ppm)

0 to 80℃/

3 to 8

Ag⁺², Hg⁺², Cu⁺², high levels of Cd⁺² and Fe⁺²

Lithium (Li⁺)

鋰離子

CPT1-4

PVC membrane

10^-6 tol.0M

(0.7 to 6900 ppm)

0 to 50℃/

5 to 10

Na⁺, K⁺,Ca⁺²

Mercaptan(SH^-)

硫醇根

CPT1-4

PVC membrane

0.003 to 3 ppm

0 to 50℃/

5 to 10

Na⁺, K⁺,Ca⁺²

Nitrate (N0₃^-)

硝酸根

CPT1-4

PVC membrane

7 x 10^-6 to 1.0 M

(0.5 to 62,000 ppm)

0 to 50℃/

2.5 to 11

ClO₄^-, I^-, CN^-, BF₄^-

Nitrite (N0₂^-)

亞硝酸根

CPT1-4

PVC membrane

5 x 10^-6 to 1.0 M

(0.2 to 46,000 ppm)

0 to 50℃/

2.5 to 11

Nitrogen oxide

 (NOx)氮氧化物

CPT4

Gas sensing

5x10^-6to5xl0^-3M

(0.2 to 220 ppm)

0 to 50℃/

1.1 to 1.7

CO2, SO2 HF, acetic acid

Perchlorate

 (ClO₄^-)高氯酸根

CPT1-4

PVC membrane

7 x 10^-6 to 1.0 M

(0.7 to 98,000 ppm)

0 to 50℃/

2.5 to 11

No significant 

interferences

pH (H⁺)

CPT1-4

PVC membrane

10^-7 to 10^-1 M

(1 to 7 pH)

0 to 50℃/

1 to 7

No significant  pH interferences

Potassium

 (K⁺) 鉀離子

CPT1-4

PVC membrane

10^-6 to 1.0 M

(0.04 to 39,000 ppm)

0 to 50℃/

2 to 12

Cs⁺, NH4⁺

Silver/sulfide

(Ag⁺/S^-2)銀/硫離子

CPT1-4

Solid-state

10^-7 to l.0 M(Ag+,S^-2)

(0.01to107,900ppmAg⁺;

0.003 to 32,100 ppm S^-2)

0 to 80℃/

2 to 12

Hg⁺²

Sodium (Na⁺)

鈉離子

CPT1-4

Glass

membrane

10^-6 M to saturated

(0.02 ppm to saturated)

0 to 80℃/

5 to 12

H⁺, K⁺, Li⁺, Ag⁺,Cs⁺, TI⁺

Surfactant

(X⁺/X^-)活性劑

CPT1-4

PVC membrane

10^-5 to 5 x 10^-2 M

(1.0 to 12,000 ppm)

0 to 50℃/

2 to 12

Similar types of surfactants

Thiocyanate (SCN^-)硫氰酸根

CPT1-4

Solid-state

5 x 10^-6 to 1.0 M

(0.3 to 58,000 ppm)

0 to 80℃/

2 to 10

S^-2, CN^-, I^-, Br^-,NH₃, S₂O₃^-2