Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3779Chemical news office., 1932 |
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Strona 166
... sensitivity of the test . Add 4 cc . of ethyl alcohol , and , if a precipitate forms , filter until the filtrate is ... sensitivity of the fluoride test in aqueous solution is indicated below . Sensitivity of Fluoride Test . Conc . of FI ...
... sensitivity of the test . Add 4 cc . of ethyl alcohol , and , if a precipitate forms , filter until the filtrate is ... sensitivity of the fluoride test in aqueous solution is indicated below . Sensitivity of Fluoride Test . Conc . of FI ...
Strona 169
... sensitivity of the test . Sensitivity of the Acetate Test . Conc . of Ac- ( g . per cc . ) 0.006667 Conc . of NaC1 Vol . of NaC1 Solution ( g per cc . ) Results ( cc . ) 0 0 Heavy ppt . 0.003333 0 0 Heavy ppt . 0.000667 0 0 Heavy ppt ...
... sensitivity of the test . Sensitivity of the Acetate Test . Conc . of Ac- ( g . per cc . ) 0.006667 Conc . of NaC1 Vol . of NaC1 Solution ( g per cc . ) Results ( cc . ) 0 0 Heavy ppt . 0.003333 0 0 Heavy ppt . 0.000667 0 0 Heavy ppt ...
Strona 170
... Sensitivity of Nitrate Test . Conc . NO3 ( L. per cc . ) Volume of Phenol Disulphonic acid Results Yellow colour Yellow colour Solution ( cc . ) 0.000590000 1 0.000059000 1 0.000005900 1 No result 0.000029500 1 No result 0.000044100 1 ...
... Sensitivity of Nitrate Test . Conc . NO3 ( L. per cc . ) Volume of Phenol Disulphonic acid Results Yellow colour Yellow colour Solution ( cc . ) 0.000590000 1 0.000059000 1 0.000005900 1 No result 0.000029500 1 No result 0.000044100 1 ...
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acetic acid acetone add 10 cc added addition alkaline alloys ammonium hydroxide analysis anions annealing arsenate arsenite barium and calcium barium nitrate boiling borate calcium nitrates carbonate Chem Chemical chloride chromate colour complete consisting containing Cool crystals cyanide Detection determine dilute discard dissolve distortion drops effect excess fatigue ferric ferrocyanide Filter filtrate flask fluoride followed formate forms give grams heat Heavy hydrogen hydroxide increase indicates insoluble Institution ions lead Lecture London material Mechanical metals methods minutes mixture moulds nickel obtained oxalate Patent phosphate plant portion potassium precipitate precipitate forms precipitation is complete present produced published reduction removed salts saturated Save Sensitivity Separation September shown silver Slight sodium soluble solution solution containing step studied Sub-Group sufficiently sulphide sulphuric acid tartrate temperature test tube thiocyanate thiosulphate tion various volume Wash the residue white precipitate wire Yellow