Analytical Chemistry: An IntroductionHolt, Rinehart and Winston, 1965 - 527 pagine |
Dall'interno del libro
Risultati 1-3 di 22
Pagina 196
... BURET Before being placed in service , a buret must be scrupulously clean . In addition , it must be established that the valve is liquid - tight . ☆ PROCEDURE Lubrication of a Stopcock Buret . Carefully remove all of the old grease ...
... BURET Before being placed in service , a buret must be scrupulously clean . In addition , it must be established that the valve is liquid - tight . ☆ PROCEDURE Lubrication of a Stopcock Buret . Carefully remove all of the old grease ...
Pagina 197
... buret tip with lubricant is not a serious matter . Removal is best accom- plished with organic solvents . 4. Before returning a buret to service after reassembly , it is advisa- ble to test for leakage . Simply fill the buret with water ...
... buret tip with lubricant is not a serious matter . Removal is best accom- plished with organic solvents . 4. Before returning a buret to service after reassembly , it is advisa- ble to test for leakage . Simply fill the buret with water ...
Pagina 202
... BURET Fill the buret , making certain that no bubbles are entrapped in the tip . Withdraw water until the level is at , or just below , the zero mark . Touch the tip to the wall of a beaker to remove any adhering drop . After allowing ...
... BURET Fill the buret , making certain that no bubbles are entrapped in the tip . Withdraw water until the level is at , or just below , the zero mark . Touch the tip to the wall of a beaker to remove any adhering drop . After allowing ...
Sommario
The Scope of Analytical Chemistry | 1 |
Some Elementary Concepts | 7 |
The Evaluation of Analytical Data | 34 |
Copyright | |
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absorbance absorption acid solution addition AgCl AgNO3 aliquot analysis analytical barium base buffer buret Calculate carbonate cell cerium chemical chemist chloride ion colloidal color complex compound coprecipitation crucible determined deviation dilute dissociation dissolved employed end point equation equilibrium constant equivalence point equivalent weight error example excess F solution Fe2+ filter flask formal concentration formula weight grams gravimetric H₂ H₂O H3O+ half reaction hydrogen ion hydronium ion hydroxide indicator iodide iodine ion concentration iron iron III KMnO4 liquid liter measurement metal method milliequivalents ml of water mol/liter NaOH normality oxalate oxidation particles percent permanganate phenolphthalein pipet potassium potentiometric precipitate quantity radiation reagent reduced result salt sample silver chloride silver ion silver nitrate sodium sodium carbonate solid solubility solvent species standard hydrogen electrode standard solution substance sulfate sulfuric acid temperature thiocyanate tion titration curve volt volume volumetric wash weak acid