This kit tests for Sodium Nitrite using the Direct Reading Titrator method. Range/sensitivity is 0-1000 ppm/20 ppm NaNO2.

 

TesTabs® kit for measuring pH. Ideal for younger students and teachers who would like an alternative to liquid pH indicators. Ideal companion to Soil NPK Kit (Code 3-5880).

 

Determine turbidity or degree of visibility in natural waters with this weighted 20 cm diameter disk.

 

This kit tests for Tannin/Lignin using the Octa-Slide 2 Comparator. Range and sensitivity is 1, 2, 3, 4, 5, 6, 8, 10 ppm Tannin or lignin like substances.

 

A modification of the popular Low Cost Monitoring Kit, the Estuary Kit is specifically designed to provide simple, affordable and non-hazardous methods of testing saline and brackish waters for coliform bacteria, salinity, dissolved oxygen, nitrate, pH, phosphate, temperature, and turbidity.

 

A precision, NON-MERCURY thermometer, furnished in a protective plastic jacket with a window opening. Engraved graduations on white tubing increase the readability over the full range of -5° to 45°C in 0.5° increments.

 

This Alkalinity Test Kits uses a Direct Reading Titrator with standard acid to the phenolphthalein (P) and/or total (T) alkalinity endpoint. Range and sensitivity is 0-200 ppm as CaCO3 in 4 ppm increments.

 

This kit tests for Carbon Dioxide where a standard alkali is used to titrate samples to the phenolphthalein endpoint. Range/sensitivity is 0-50 ppm/1.0 ppm CO2.

 

This kit tests for low ranges of Nitrite using the Dropper Bottle method. Range/sensitivity is 1 drop = 50 ppm NaNO2.

 

A rugged field carrying case houses individual test kit modules and valuable handbooks to assist and supplement soil science studies. Each individual test module includes complete instructions, A Study of Soil Science handbook now available as a download, and all the necessary apparatus and reagents to perform 50 soil macronutrients tests.

A comprehensive introduction to the study of soil properties and nutrients. Includes the popular and easy-to-use soil sampling tube, soil sample bags, the Soil Texture Unit, and individual test modules for four important soil test factors (see Specifications).