Nitrogen, Total (62)
0-25 mg/L
2 mg/L
Chromotropic Acid/Digestion
(6)*
25
Oxygen Scanvengers
various
various
Oxygen Reduction (3)
50
Ozone-Low Range (071)
0.00–0.40
0.02
Indigo Trisulfonate (3)
100
Ozone-High Range (072)
0.00–1.50
0.05
Indigo Trisulfonate (3)
20
pH-Chlorophenol Red (073)
5.0-7.0
–
Chlorophenol Red (3)
100
pH-Phenol Red (074)
6.6–8.4
–
Phenol Red (3)
100
pH-Thymol Blue (075)
8.0–9.5
–
Thymol Blue (3)
100
Phenol (77)
0.00-6.00
0.05
Aminoantipyrine (3)
50
Phosphate-Low Range (78)
0.00–3.00
0.04
Ascorbic Acid Reduction (2)
50
Phosphate-High Range (79)
0.0–70.0
1.0
Vanodomolybd-
phosphoric Acid (1)
50
Phosphorus, Total, Low Range
(82)
0.00–3.00
mg/L
0.07
Ascorbic Acid/Digestion*
25
Phosphorus,
Total, High-Range (83)
0.0–70.0
mg/L
5.0 mg/L Molybdovanadate/Digestion
(5)*
25
Potassium (81)
0.0-10.0
0.5
Tetraphenolboron (2)
100
Silica-Low Range (85)
0.00–2.50
0.03
Heteropoly Blue (4)
100
Silica-High Range (86)
0–50
1
Silicomolybdate (3)
50
Sulfate-High Range (89)
5–100
5
Barium Chloride (1)
100
Sulfi de-Low Range (90)
0.00–1.00
0.02
Methylene Blue (3)
50
Surfactants (94)
0.0-8.0
0.5
Bromphenol Blue (3)
50
Tannin (96)
0.0–10.0
0.2
Tungsto-molybdophosphoric
Acid (3)
50
Turbidity (98)
2-400 FTU
2 FTU
Absorbtimetric (0)
–
Zinc-Low Range (99)
0.00–3.00
0.03
Zincon (6)
50
†Requires UDV Accessory Package 1961 or 1962 (sold separately)
*Requires COD Heater Block 5-0086 (sold separately)
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