Hach POCKET COLORIMETER II Instruction Manual page 44

Table 1 Substances that Do Not Interfere (Continued)
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Substance
Nitrate
Nitrite
Phosphate
Silica
Silver
Sulfates
Sulfite
Tyrosine
Urea
Zinc
Chloramine (Mono),
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Maximum Level Tested
100 mg/L as N
50 mg/L as N
100 mg/L PO
100 mg/L SiO
10 mg/L
2600 mg/L
50 mg/L SO
1 mg/L as N
10 mg/L as N
5 mg/L
1—43
continued
4
2
3
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