SVA-NYC

Chemical Parts

LaMotte Kit Model STH Series - Combination Soil Testing Outfits (product ID #5029) Reagents:

Soil Flocculating Reagent (5643WT) Universal Extracting Solution (5173) Duplex Indicator (2221) Bromcresol Green (2207) Chlorphenol Red (2209) Bromthymol Blue (2210) Phenol Red (2211) Thymol Blue (2213) Potassium Reagent B Tablets (5161A) Potassium Reagent C (5162) Phosphorus Reagent 2 (5156) Phosphorus Test Tablets (5706A) Nitrate Reagent #1 (5146) Nitrate Reagent #2 Powder (5147) Humus Screening Reagent Powder (5119) Calcium Test Solution (5108PS) Ammonia Nitrogen Test Solution (5103PS) Magnesium Test Solution 1 (5140) Magnesium and Manganese Test Solution #2 (5145WT) Manganese Periodate Reagent (6311) Aluminum Test Solution (5101) Nitrite Nitrogen Reagent 1 (5151WT) Nitrite Nitrogen Reagent 2 (5152WT) Nitrite Nitrogen Reagent 3 (5153WT) Ferric Iron Test Solution (5116PS) Sulfate Test Solution (5171) Chloride Test Solution (5111)

Standards:

Chloride standard from NaCl Total M.W.= 58.44 Cl M.W.= 35.5 500ppm = .014084507 mol = 0.20577469 grams in 250 mL

Potassium standard from KCl Total M.W.= 74.55 K M.W.= 39.0983 400ppm = .0028139 mol = 0.052 grams in 250 mL

Sulfate standard from MgSO4 * 7H2O Total M.W.= 246.47 SO4 M.W.= 96.06 2000 ppm = .02082032 mol = 1.28289611 grams in 250 mL

Nitrite standard from NaNO2 Total M.W.= NaNO2 68.9953 NO2 M.W.= 46.01 50 ppm = .00108672 mol = .01874465 grams in 250 mL

Nitrate standard from KNO3 Total M.W.= 101.1 NO3 M.W.= 62.0049 75 ppm = .00120958 mol = .03057218 grams in 250 mL

Calcium standard from CaCl2 Total M.W.= 110.98 Ca M.W.= 40.98 2800 ppm = .06832601 mol 1.89570522 grams in 250 mL

Aluminum standard from AlK(SO4)2 * 12H20 Total M.W.= 474.39 Al M.W.= 26.981538 125 ppm = .0046328 mol = .54943819 grams in 250 mL

Manganese standard from MnSO4*H2O Total M.W.= 169.01 Mn M.W.= 54.938044 molar ratio is 0.32505795 40 ppm = 0.00023667(total) = 0.00007693 (Mn) 0.00325055g in 250mL 0.650g in 50mL = 1000x 250uL of 1000x in 250mL = 1x 40ppm Mn Standard

Phosphate standard from KH2PO4 Total M.W.= 136.09 P M.W.= 30.973762 200 ppm = .00645708 = .21968594 grams in 250 mL

Ammonia standard from NH4Cl Total M.W.= 53.49 NH3 M.W.= 17.031 150 ppm = .00880747 mol = .11777788 grams in 250 mL

Magnesium Standard from MgCl2 * 6H2O Total M.W.= 203.3 Mg M.W.= 24.305 150 ppm = .00617157 mol = .31367003 grams in 250 mL

Ferric Iron standard from Fe2(SO4)3 * 9H2O Total M.W.= 562 Fe M.W.= 55.845 62.5 ppm = .00055958 mol = .07862163 grams in 250 mL

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