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pigments

How To Detect The Quality of Iron Red

The appearance of iron oxide red pigment is light red to dark red powder. The refractive index is 2.94~3.22. Oil absorption, particle shape and size, surface area, relative density, etc. are determined by the preparation method.

Important Indexes Affecting The... (More)

Sean updated 9 hours ago
Project
chemicals

Choice of Water Softener

Some substances have the function of complexing inorganic salts, which can precipitate out the salts in the water and soften the hard water. Substances with this function are called water softeners.

Properties of Water Softener

Water softener can be used... (More)

Discussion

Looking for people with experience in refugee camps, emergency situations or disease outbreak

For my M.Sc. graduation research at the Delft University of Technology, multiple Household Water Treatment Systems [HWTS] are compared. The HWTS are compared to a set of criteria related to health, social acceptance, and economic feasibility. Different contexts in which... (More)

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