71K Learn about acid-base indicators. Understand what acid-base indicators are, how they work to determine if a solution is acidic or basic, and see the examples. Related to this QuestionWhat is the function of the indicator phenolphthalein? Explain the purpose of adding excess hydroxide compa...
What is the cation reaction with water, cation K_a, anion reaction with water, anion K_b, acidic base prediction, and pH of solution of sodium sulfate? What is the cation reaction with water, cation K_a, anion reaction with water, anion K_b,...
Cells were loaded for the indicated periods at 0.2 μm free Ca2+ in the presence of 0.1 μm thapsigargin and 5 mm potassium oxalate. Results represent the mean ± S.E. of four experiments. B, Ca2+ dependence of 45Ca2+ uptake into COS-1 cells transfected with hSPCA2 or empty vector. ...
Measurements of myelin basic protein, neuron-specific enolase, and glial fibrillary acidic protein in the experimental group showed a statistically significant reduction (P < 0.05). In the experimental group, a considerably lower occurrence of pendant pneumonia, atelectasis, venous thrombosis of ...
Introduction to Chromatography: Quantification of copper in solution - the standardized solution of NaOH is used: o Will the solution coming off of the ion exchange column and collected in a beaker or flask be acidic, basic, or neutral?
Why would a molecule change color under acidic or basic conditions? Why is concentrated sulfuric acid indicated as a liquid and no aqueous solution? Why are closed-toe shoes worn in the chemistry lab? Why would magnesium remove tarnish from silver?
active agents such as fluorides, preferably, in the form of tertiary amines, such as amine fluoride or organic fluoride such as sodium monofluorophosphat, potassium nitrate, and/or oxalate. In one embodiment of the invention, the product is a toothpaste comprising all or the main ingredients of...
Compounds of the invention which are acidic can form salts, including pharmaceutically or veterinarily acceptable salts, with bases such as alkali metal hydroxides, e.g. sodium and potassium hydroxides; alkaline earth metal hydroxides e.g. calcium, barium and magnesium hydroxides; with organic bases...
In the case of tarnished brass and copper, the tarnish removers may contain addends such as oxaHic acid, hydrochloric acid, sulfuric acid, chromic acid, nitric acid, tartaric acid, citric acid, cream of tartar, alum, sodium chloride, and ammonium chloride. Silver-tarnish removers may ...
dentists. Further, pre-conditioning of the tooth to be treated is very complex, including professional cleaning of the tooth in order to remove plaque, food debris and stains as well as treatment with sodium hypochlorite and phosphoric acid, subsequent rinsing with water and drying the tooth surfa...