Sample Amount: 250 mL per sample (5 mL per element for extracts) is required.
Water Preparation: Samples submitted for alkalinity, ammonium, nitrate, soluble phosphorus, solids, sulfate and turbidity analysis should be kept under refrigeration. More detailed sample preservation guidelines are available on the Lab’s web site (http://danranlab.ucanr.org in the section titled Sampling and Preparation).
Method Summaries
805 pH 810 Turbidity 815 Estimated Soluble Salts by Electrical Conductivity 820 Alkalinity, Bicarbonate and Carbonate 825 Chloride - Electrometric Titration Method 830 Chloride - Flow Injection Analyzer Method 835 Soluble Elements 837 Copper in Water by Graphite Furnace 840 Sodium Adsorption Ratio (SAR) and Exchangeable Sodium Percentage (ESP) 845 Nitrate and Ammonium - Diffusion-Conductivity Analyzer Method 847 Nitrate and Ammonium - Flow Injection Analyzer Method 848 Ammonium - Distillation Method 850 Total Kjeldahl Nitrogen (TKN) 855 Total Nitrogen by Combustion 860 Sulfate - Sulfur in Water 865 Soluble Phosphorous in Water 870 Total Solids, Total Suspended Solids, Total Dissolved Solids 875 Hardness 880 Anions in Water by Ion Chromotography 885 Total Silica-HF 890 Total Elements (includes Phosphorus, Sulfur, Potassium, Calcium, Magnesium, Sodium, Boron, Zinc, Manganese, Iron, Copper and Molybdenum) [Note: This is the same method as SOP# 590.] 891 Total Copper in Water by Graphite Furnace 894 Selenium 896 Arsenic 898 Mercury