Determination of the Hardness of Water, Kit Includes:4x500 ml EDTA Solution, 0.005M, 2x200 ml Buffer Solution, 2x15 ml EBT Solution (Eriochrome Black, 0.1%) UN1219
Acids and Bases Kit, 0.01M will be standardized with a solid acid, potassium hydrogen phthalate, to determine the exact molarity of the base, Include Hydrochloric acid, 1.0M, Sodium hydroxide, 6.0M, Potassium hydrogen phthalate, Phenolphthalein, 1.0%
Periodic table of spectra makes it clear to students that each element has its own spectral fingerprint, Poster Heading: Emission Spectra of Elements, Size: 24 x 36in