Order

No.

Description

Concentration Range (Mol/L)

Lower Limits (ppm)

Temp Range ^oC

Ref. Elec.

Main Interference’s

pH Range

ISAB

334-75

Ammonium (NH₄⁺)

10^-1 - 10^-6M

0.02

0-50

R2

K⁺=1.2X10^-1, Na⁺2.0X10^-3, Mg²⁺=2.5x10^-2

5-8

4M LiAc

312-75

Barium (Ba²⁺)

1M - 5x10^-6M

10

0-50

R2

Na⁺=4x10^-4, K⁺=9x10^-3, Ca²⁺=2.5x10^-2

5-9

4M LiAc

302-75

Bromide (Br)

1M - 5x10^-6M

0.4

0-80

R2

I^-, S^2-, CN^- must be absent, OH^-=3x10^-5, Cl^-=2.4x10^-2

2-12

5M NaNO₃

309-75

Cadmium (Cd²⁺)

10^-1 - 10^-6M

0.2

0-80

R1

Ag⁺, Hg²⁺, Cu²⁺, <10^-7M

3-7

5M NaNO₃

310-75

Calcium (Ca²⁺)

1M - 5x10^-7M

0.02

0-50

R2

Mg²⁺, Ba²⁺, Pb²⁺, Zn²⁺, Na⁺

4-9

4M KCl

301-75

Chloride (Cl^-)

1M - 5x10^-5M

1.8

0-80

R2

Br, I^-, CN^- must be absent, S^2- must be less than 10^-7M

2-11

5M NaNO₃

306-75

Copper (Cu²⁺)

1M - 5x10^-6M

0.3

0-80

R2

S^2-, Ag⁺, Hg²⁺ should be absent, Cl^-, Br^- interfere

0-7

5M NaNO₃

304-75

Cyanide (CN^-)

10^-2 - 10^-6M

0.03

0-80

R2

S^2- must be <10^-7M, ^-=1.0

10-14

5M NaOH

333-75

Fluoride (F)

1M - 5x10^-7M

0.01

0-80

R1

OH^- = 10^-1

5-4

TISAB

303-75

Iodide (I^-)

1M - 10^-7M

0.02

0-80

R2

S^2- =10^-1 must be <10^-7M/CN=1.0

3-12

5M NaNO₃

307-75

Lead (Pb²⁺)

10^-1 - 5x10^-6M

1.0

0-80

R2

S^2-, Ag⁺, Hg²⁺ should be absent, Cd²⁺, Cu²⁺, Fe³⁺ interfere

0-9

5M KNO₃

311-75

Nitrate (NO₃^-)

1M - 5x10^-6M

0.08

0-50

R2

Cl^-, NO₂^-, Br. SO₄^2-, F^-, ClO₃^-, ClO₄^-

3-10

1M KH₂PO₄

314-75

Potassium (K⁺)

1M - 10^-6M

0.04

0-50

R2

Na⁺, Ca²⁺, Rb⁺, Mg²⁺, Cs⁺, NH₄⁺

4-9

TEAC

308-75

Silver (Ag⁺)

1M - 10^-7M

0.01

0-80

R2

S^2-, Hg²⁺, must be absent

2-9

5M NaNO₃

315-75

Sodium (Na⁺)

Sat. - 10^-6M

1ppb

-5 - +70

R2

Li⁺, K⁺, NH₄⁺/Ag should be absent

2-12

SISAB

305-75

Sulphide (S²⁺)

1M - 10^-7M

0.003

0-80

R1

Hg²⁺, Ag⁺ must be absent

12-14

SAOB

331-75

Voltametric Ind.

-

-

0-80

R1

-

-

-