Analytical ChemistryHolt, Rinehart and Winston, 1979 - 685 pagine |
Dall'interno del libro
Risultati 1-3 di 70
Pagina 590
... procedure for Analysis 3-7 . Calculate the percent nitrogen in the samples . NOTES 1. As a catalyst , one may use any of the following : a drop of mercury , 0.5 g of HgO , a crystal of CuSO4 , 0.1 g of Se , or 0.2g CuSeO3 ...
... procedure for Analysis 3-7 . Calculate the percent nitrogen in the samples . NOTES 1. As a catalyst , one may use any of the following : a drop of mercury , 0.5 g of HgO , a crystal of CuSO4 , 0.1 g of Se , or 0.2g CuSeO3 ...
Pagina 603
... Procedure . Make a paste by rubbing about 2 g of soluble starch and 10 mg of Hgl , in about 30 ml of water . Pour this into 1 liter of boiling water , and heat until a clear solution results . Cool and store in stoppered bottles . For ...
... Procedure . Make a paste by rubbing about 2 g of soluble starch and 10 mg of Hgl , in about 30 ml of water . Pour this into 1 liter of boiling water , and heat until a clear solution results . Cool and store in stoppered bottles . For ...
Pagina 604
... procedure given for Standardization 8-1 . ANALYSIS 8-2 Determination of Antimony in Stibnite Discussion . See page 334 . Procedure . Dry the unknown for 1 hr at 110 ° C . After it cools , weigh sufficient quantities of the ore to ...
... procedure given for Standardization 8-1 . ANALYSIS 8-2 Determination of Antimony in Stibnite Discussion . See page 334 . Procedure . Dry the unknown for 1 hr at 110 ° C . After it cools , weigh sufficient quantities of the ore to ...
Sommario
Introduction | 1 |
A Review of Simple Equilibrium Constant | 24 |
The Evaluation of Analytical Data | 46 |
Copyright | |
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absorbance absorption activity coefficient addition AgNO3 aliquot analysis analyte anode application approximately atoms base buffer buret calcium Calculate calibration carbonate cathode cations cell cerium(IV chemical color column complex concen copper(II coulometric crucible determined dilute dissociation constant dissolved EDTA electrode potential electrolyte employed end point Equation equilibrium constant equivalence point equivalent weight example excess filter formal concentration formation formula weight glass H₂O H3O+ half-cell half-reaction hydrogen hydronium ion hydroxide indicator iodide iodine ion concentration iron(III liquid liter measurements mercury(II metal method molar NaOH oxalate oxidation particles permanganate pipet potassium precipitate prepared primary standard Procedure quantity radiation reaction reagent reduced sample silver chloride silver ion silver nitrate sodium solid solubility solution containing solvent species standard hydrogen electrode standard solution substance sulfuric acid Table temperature thiosulfate titration curve volume volumetric flask wavelength zinc