Test # | Parameter | Test Standard | Standard | Dilution step 1 | Dilution step 2 | 1 | Nitrate | 30 ppm | 1,000 ppm nitrate (4.430 ppm as NO3) | | Dilute to 30 ppm:
68 uL in 10 mL (34 uL in 5 mL) | 2 | Nitrite | 1 ppm | 1,000 ppm nitrite (3,280 ppm as NO2) | Dilute to a 100 ppm NO2 working stock:
305 uL in 10 mL | Dilute to 1 ppm:
100 uL in 10 mL | 3 | Ammonia | 2 ppm | 1,000 ppm nitrate (1,220 ppm as NH3) | Dilute to a 100 ppm NH3 working stock:
820 uL in 10 mL | Dilute to 2 ppm:
200 uL in 10 mL | 4 | Phosphate | 1 ppm | 1,000 ppm PO4 (330 ppm P) Phosphate | Dilute to a 10 ppm P working stock:
303 uL in 10 mL | Dilute to 1 ppm:
1 mL in 10 mL | 5 | Potassium | 12.5 ppm | 1,000 ppm potassium | | Dilute to 12.5 ppm:
62.5 uL in 10 mL | 6 | Sulfate | 150 ppm | 1,000 ppm sulfate | | Dilute to 150 ppm:
1.5 mL in 10 mL |
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