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| Fertilizer analysis can be used to measure the nutrient content of both dry and liquid fertilizers. Lime quality analysis can be used to measure the potential effectiveness of a liming material. Gypsum quality analysis is used to measure the efficacy of gypsum products as soil amendments. | | |  | | *Call the Laboratories at 800.557.7509 for information on testing packages and discounts based on sample volume. |
| NP Analysis |
| Nitrogen, Phosphorus | | | Washington State Metals Package |
| Arsenic, Cadmium, Cobalt, Lead, Molybdenum, Nickel, Selenium, Zinc | | | Individual Tests | | Boron, Calcium, Copper, Iron, Magnesium, Manganese, Molybdenum, and Zinc | | | | Electrical conductivity |
| Moisture (110° C oven) |
| Moisture (Karl Fischer titration) |
| Nitrogen: | | Ammonium |
| Total |
| Urea |
| Water insoluble (WIN) |
| pH |
| Phosphorus: Total | | Potassium, soluble |
| Salt index |
| Sulfur (excluding elemental S) |
| | | | Lime & Gypsum Analysis Packages | | Lime Quality Analysis |
| Moisture, Calcium carbonate purity, Fineness, ECC lime, Sieve analysis, (>8, 8-60, <60 mesh) | | | Mineral Quality Analysis |
| Moisture, Calcium, Sodium, Magnesium | | | Gypsum Quality Analysis |
| Moisture, Calcium, Sulfur, Sieve analysis, ((>8, 8-60, <60 mesh), % as pure Calcium sulfate | | | Lime & Gypsum Individual Tests | | Minerals: Boron, Calcium, Copper, Iron, Phosphorus, Potassium, Magnesium, Manganese, Molybdenum, and Zinc | | Moisture (110° C oven) |
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