TEST INSTRUCTIONS - Geotech Environmental Equipment

Methylethylketoxime (58)
See Oxygen Scavengers
0.00–3.00 Iron Reduction (3) 100
Molybdenum-High Range (61) 0.0–50.0 Thioglycolate (3) 50
Nickel (63) 0.00–8.00 Dimethylglyoxime (6) 50
Nitrate Nitrogen-
Low Range (64)
0.00–3.00 Cadmium Reduction (2) 20
Nitrate-TesTab (66) 0.0–60.0 Zinc Reduction (1) 50
Nitrite Nitrogen-
Low Range (67)
0.00–0.80 Diazotization (2) 20
Nitrite-TesTab (69) 0.00–1.25 Diazotization (1) 50
Nitrogen, Total (70) 0–25 mg/L Chromotropic Acid/Digestion (6) 25
Oxygen Scanvengers various DEHA (3) 50
Ozone-Low Range (71) 0.00–0.40 Indigo (3) 100
Ozone-High Range (72) 0.00–2.50 Indigo (3) 25
pH-Chlorophenol Red (74) 5.0–6.8 Chlorophenol Red (1) 100
pH-Phenol Red (75) 6.6–8.4 Phenol Red (1) 100
pH-Thymol Blue (76) 8.0–9.6 Thymol Blue (1) 100
Phenol (77) 0.00–6.00 Aminoantipyrine (3) 50
Phosphate-Low Range (78) 0.00–3.00 Ascorbic Acid Reduction (2) 50
Phosphate-High Range (79) 0.0–70.0 Vanodomolybdphosphoric Acid (1) 50
Phosphorus, Total
Low-Range (82)
Phosphorus, Total
High-Range (83)
0.00–3.50 mg/L Ascorbic Acid/Digestion (5) 25
0.0–100.0 mg/L Molybdovanadate/Digestion (5) 25
Potassium (81) 0.0–10.0 Tetraphenylboron (2) 100
Silica-Low Range (85) 0.0–4.0 Heteropoly Blue (4) 50
Silica-High Range (86) 0–75 Silicomolybdate (3) 50
Sulfate-High Range (89) 0–100 Barium Chloride (1) 50
Sulfide-Low Range (90) 0.00–1.50 Methylene Blue (3) 50
Surfactants (94) 0.5–8.0 Bromphenol Blue (3) 50
Tannin (96) 0.0–10.0 Tungsto-molybdophosphoric Acid (2) 50
Tolytriazole (97)
See Benzotriazole
0.0–3.0 UV Photolysis (3) 50
Turbidity (98) 0–400 FTU Absorption (0)
Zinc-Low Range (99) 0.00–3.00 Zincon (6) 50
On the meter display, “NA” following the test number indicates that a
calibrationforthattestnumberisnotavailable.