Aprenda la manera en que los científicos dedicados al medio ambiente estudian la polución probando muestras de aire y de agua tomadas de su área local. Este kit incluye nueve pruebas diferentes para determinar la calidad de las muestras de ...
más
Maleta de análisis para determinar de forma fiable los parámetros del suelo más importantes sin necesidad de contar con conocimientos químicos previos. La maleta contiene todos los reactivos, aparatos y accesorios ...
más
Maleta compacta de análisis para determinar con fabilidad, en la clase
de Ciencias Naturales, parámetros del agua relevantes sin contar con
conocimientos previos especiales. La maleta contiene todos los reactivos y accesorios ...
más
The refill pack for the VISOCOLOR School reagent case contains all reagents of all parameters.
Measuring ranges:
Ammonium: 0.2 - 3 mg/l NH4+
Nitrates: 1 - 90 mg/l NO3-
Nitrites: 0.02 – 0.5 mg/l NO2-
Phosphates: 0.5 - 15 mg/l ...
más
The PF‑3 Soil is the perfect tool for reliable and easy analysis of soil extracts. It combines all important measurements in one handy device. The reagent case has enough room to store the necessary test kits and can be equipped individually ...
más
The PF‑3 Fish is the perfect tool for reliable and easy analysis of fishing waters. It combines all important measurements in one handy device. The reagent case has enough room to store the necessary test kits and can be equipped individually ...
más
El fotómetro PF‑12Plus es un dispositivo diseñado para el análisis de agua móvil. Equipado con más de 100 métodos preprogramados, es el compañero ideal para todos los campos del aná ...
más
Water pollution is one of the largest threats facing the global population. Water is a finite resource. Once polluted, it cannot be set aside in the hopes that the environment will "make" new, clean water. One procedure often employed ...
más
Nanotechnology is a field of technology that is described as the control and manipulation of matter in the 1 to 100 nanometer (nm) range. A nanometer is one billionth of a meter, or one millionth of a millimeter. To put it in perspective ...
más
Understand the importance and value of fresh water and the need to protect and conserve this valuable resource. Realize that a variety of factors, including natural ones, contribute to the overall problem of water pollution. After completing ...
más
Acid rain is a term used generically to describe any type of acidic moisture, be it rain, snow, or fog. Acid rain can have devastating effects on not only aquatic ecosystems but also terrestrial areas. Acid rain not only affects naturally ...
más
The problem of acid rain is quite often associated with its effects on aquatic systems. Unfortunately, acid rain can also have devastating effects on terrestrial environments as well. In this activity, students will examine the detrimental ...
más
Students develop a basic knowledge of Dendrochronology using the specially designed simulated tree cores in this engaging kit. Your students will learn the important effects of climate on living things as they unravel secrets about the age ...
más
In the early 1950's, Kettlewell studied the changes in England's peppered moth population. Over a hundered year time period, the peppered moth population shifted from predominantly light-colored moths to predominantly dark-colored moths. Kettlewell ...
más
Students conduct a mineral exploration which simulates real-life economic, societal and issue-oriented problems. The activities are designed to introduce and use topographic maps and learn about rock types, erosion, and river dynamics. This ...
más
This simple, step-by-step lab activity provides a sense of realism and participation that commercially prepared slides or illustrations can't possibly duplicate. Students prepare slides using the pre-cut monocot and dicot plant cross sections ...
más