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Soil Sampling
173
  Environmental Science—Soil Sampling, continued
Soil Sampling Bags
Reclosable plastic bags imprinted with instructions for proper tech- niques of collecting and preparing soil samples. Bag size is 6" x 4".
Soil Sampling Tube
This 12"-long galvanized steel sampling tube has a 1" core diameter. A cutaway side in the tube allows for examination of soil core sample prior to its removal. This is a professional quality implement that comes with detailed instructions and 20 soil sampling bags.
Soil Sieve Set
Used to separate and grade soil samples. Six interlocking metal sieves each have a different size brass wire mesh screen. Wire mesh sizes are 5, 10, 40, 60, 120 and 250 holes per cm. Mesh openings measure 3.35 mm, 0.86 mm, 0.38 mm and 0.14 mm, respectively. Each sieve is 6" in diameter and 2" tall. Complete with a solid bottom container and cover. Set of six.
Soil Thermometer
Stainless steel thermometer has a 5" stem—long enough to test soil temperature at most planting depths. The 11⁄2" diameter dial reads in both °C and °F. Thermometer ranges are 0–80 °C and 20–180 °F.
Environmental Science—Water Testing Kits
Freshwater Pollution Testing
By: The Flinn Staff
How safe are our streams, lakes, rivers and ponds?
What are the pollution levels in these local surface waters? These kits allow your students to check water quality using safe, simple and effec- tive tablet-type tests. Students will perform chlorine, dissolved oxygen, nitrate, phosphate and pH tests. Kits also include a detailed background section on types of water pollution, sources and effects of each factor tested, color comparison charts, reproducible student handouts and a complete instructor’s guide with valuable teaching tips, answers and further extensions.
Single-Class Kits have materials for 30 students working in pairs. Five-Class Kits (Super Value Kits) are complete for 5 classes of 30 students working in pairs. Replacement set of color comparison charts are available. Individual Kits contain a color comparison chart, detailed instructions, sample tube and enough tablets for 15 tests.
Soil Sampling Bags AB1147
  Catalog No.
  Description
  Price/Pkg. of 100
   AB1147
 Soil Sampling Bags, Pkg. of 100
   $54.70
   Catalog No.
  Description
  Price/Each
   AB1148
 Soil Sampling Tube
   $35.65
  Soil Sieve Set AB1140
Soil Sampling Tube AB1148
 Catalog No.
  Description
  Price/Set of 6
   AB1140
 Soil Sieves, Set of 6
   $76.10
   Catalog No.
  Description
  Price/Each
   AB1146
 Soil Thermometer
   $25.75
   Soil Thermometer AB1146
               Catalog No.
  Description
  Type
  Price/Each
   AP5953
 Freshwater Pollution Testing
  Single-Class Kit
   $ 66.90
   AP5954
 Freshwater Pollution Testing Super Value Kit
  Five-Class Kit
   202.35
   AP6125
Replacement Freshwater Pollution Color Comparison Charts
 Replacement Set
  11.15
 AP6143
 Ammonia in Water Test Kit
 Individual Kit
 15.65
 AP6137
 Chlorine in Water Test Kit
 Individual Kit
 8.95
 AP6138
 Dissolved Oxygen in Water Test Kit
 Individual Kit
 13.80
 AP6139
 Nitrate in Water Test Kit
 Individual Kit
 12.95
 AP6140
 Phosphate in Water Test Kit
 Individual Kit
 10.75
 AP6141
  pH of Water Test Kit
  Individual Kit
  13.25
 ENVIRONMENTAL SCIENCE—WATER TESTING KITS continued on next page.
Freshwater Pollution Testing AP5953, etc.











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