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 PO43-
pH: 4.0 - 9.0
Water hardness: 1 drop of reagent = 1°dH (German degree – degree of general hardness)
![Visocolor® School Refill, 1021116 [W12721], Environmental Science Experiments](/imagelibrary/W12721/W12721_01_Visocolor-School-Refill.jpg)
![Visocolor® School Refill, 1021116 [W12721], Environmental Science Experiments](/thumblibrary/W12721/W12721_01_1200_1200_Visocolor-School-Refill.jpg)
![Teaching Case “Water Analysis” (Visocolor® School), 1021115 [W12720], Environmental Science Experiments](/thumblibrary/W12720/W12720_01_140_140_Teaching-Case-Water-Analysis-Visocolor-School.jpg)
![Human Eye Model, 5 times Full-Size, 6 part - 3B Smart Anatomy, 1000255 [F10], Eye Models](/thumblibrary/F10/F10_01_140_140_Human-Eye-Model-5-times-Full-Size-6-part-3B-Smart-Anatomy.jpg)
![Classic Human Heart Model, 2 part - 3B Smart Anatomy, 1017800 [G08], Human Heart Models](/thumblibrary/G08/G08_01_140_140_Classic-Human-Heart-Model-2-part-3B-Smart-Anatomy.jpg)
![Graduated Cylinder, 100 ml, 1002870 [U14205], Glassware](/thumblibrary/U14205/U14205_01_140_140_Graduated-Cylinder-100-ml.jpg)
![Tube Thermometer, Graduated -10 – 110°C, 1002879 [U14295], Thermometers](/thumblibrary/U14295/U14295_01_140_140_Tube-Thermometer-Graduated-10-110-C.jpg)
![Graduated Cylinder, 250 ml, 1010114 [U29453], Glassware](/thumblibrary/U29453/U29453_01_140_140_Graduated-Cylinder-250-ml.jpg)
![Replica Homo rhodesiensis Skull (Broken HillŸ Woodward, 1921), 1001297 [VP754/1], Human Skull Models](/thumblibrary/VP754-1/VP754-1_01_140_140_Replica-Homo-rhodesiensis-Skull-Broken-HillY-Woodward-1921.jpg)
![Visocolor® School Color Card, 1021117 [W12722], Environmental Science Experiments](/_images/ProductImageComingSoon/140en.gif)