This peracetic acid test kit tests for peracetic acid and hydrogen peroxide using the dropper bottle method. Range/sensitivity is 1 drop = 50 ppm peroxide and 1 drop = 15 ppm peracetic acid.
This kit tests for pH using the Octa-Slide 2 Comparator ranging from 6.0 – 7.4 pH.
This kit tests for pH using the Octa-Slide 2 Comparator ranging from 7.2 – 8.6 pH.
This pH test kit tests for pH using the Octa-Slide 2 Comparator ranging from 8.0 – 9.4 pH.
The pH value affects all mineral elements and the biological processes made available to plants from the soil. Accurate pH testing is essential to determine lime requirements and to insure that a mineral-rich soil is also a fertile one.
This soil test kit tests for pH levels using the Morgan method matching test results to color charts. Range and sensitivity is pH 3.8-8.4 in 0.2 increments (not for heavy clays).
Plant tissue testing provides essential information concerning plant use of nutrients vital to their growth. These simplified field tests for green plant tissue indicate whether growing plants are receiving adequate amounts of available nutrients from the soil. All tests give qualitative results for the specific nutrients. By comparing test results from healthy and problem plants, it is possible to pinpoint deficiencies or excessive nutrient conditions.
A complete kit for determining nitrates, phosphorus and potassium in plant tissue. Diced green plant tissue is saturated in a Universal Extracting Solution to prepare a single liquid extract for use with all three tests. Qualitative results given as abundant, adequate, deficient only. Reagents for 50 tests per factor.
The overall texture of a soil affects growth in the root zone, which determines the above-ground growth production, and is determined by the fractions of sand, silt, and clay present. Includes A Study of Soil Science handbook now available as a download.
The compact SMART®3 Colorimeter is ideal for water analysis in the field or in the lab. Easy to use software allows the analyst to choose a test factor from over 60 pre-programmed calibrations for LaMotte reagent systems. The reacted sample is always scanned at the optimum wavelength which is automatically selected from the multiple LED optical system and the test result is presented on the large, backlit display. The colorimeter test results is displayed directly in units of concentration, as well as Absorbance and %T, in one of seven languages. The analyst also has the option of entering up to 25 additional calibrations for analysis with custom reagent systems. Test factors can be arranged in any of three sequences that can be modified at any time to meet changing testing needs. The data logger holds up to 500 time and date stamped data-points. A USB connection allows an interface of the colorimeter with a computer for real-time data acquisition and data transfer. The meter logs up to 500 data points.
In 1955, Leavitt et al. discovered that Tryptic Soy Agar facilitated vigorous growth of aerobic and anaerobic microorganisms. This is an enriched media, suitable to support fastidious heterotrophs.
Selective medium for the enumeration of fungi. This formula is prepared with a neutral pH and supplemented with chloramphenicol as the selective agent in fungal medium.
Tryptic Soy Agar is recommended in multiple water & wastewater applications, and numerous standard methods for food testing. TSA is commonly used as a maintenance medium for culture collections and testing bacterial contaminants in cosmetics. Rose Bengal Chloramphenicol Agar is recommended in Standard Methods for the Examination of Water and Wastewater for the enumeration of yeasts and molds from foods and water.
The Coliform Indicator Test Kit utilizes an easy-to-use, disposable 5-tube method to indicate the presence of Total Coliform Bacteria in a drinking water supply.
Coliform: 5 tubes, each containing a nutrient tablet, are reacted, stored at room temperature for 40-48 hours and examined for color change and gas formation.