"Standards"

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VWR® Traceable® Conductivity Calibration Standards (CRM)

These Certified Reference Materials (CRM) calibrate conductivity meters and probes for maximum accuracy.

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LaMotte® Soil pH TesTabs Kit

An Ideal Alternative to Liquid pH Indicators

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Rapitest Soil Test Kit

Perform qualitative soil tests without the use of chemical reagents and test tubes.

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LaMotte® NPK Soil Test Kit

Safe, easy, economical test for three factors.

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LaMotte Turbidity Standards 10.0 NTU (2020WE) are essential calibration solutions designed for precise turbidity measurement in water testing. These standards ensure accurate and reliable calibration for turbidity meters, supporting water quality professionals and educators in maintaining optimal water clarity testing.

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Hanna Instruments Zero Oxygen Solution Set (500 ml)

This is a high quality, bicomponent zero oxygen solution made from reagent grade chemicals. Hanna dissolved oxygen solutions have the lot number and expiration date clearly marked on the label and are air tight with a tamper-proof seal to ensure the quality of the solution.

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Hanna Instruments NaCl Solution

This premium quality 30 g/L NaCl standard solution for the calibration of salinity meters and sodium ISEs. Hanna calibration solutions have the lot number and expiration date clearly marked on the label and are air tight with a tamper-proof seal to ensure the quality of the solution. Hanna's line of calibration solutions have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle.