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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