BAIRD &TATLOCK (LONDON) LTD. 



Pure Standard Solutions continued. 



Acid, Oxalic, standard, to correspond to standard baryta for CO and CO,, i dlt. = i 



gas, etc. 



,, standard, for CH 4 , i c.c. = i c.c. dry gas, etc. . . 

 ,, standard for CH 4 , i c.c. = 0.5 c.c. CO, dry gas, etc. 

 Pyrogallic, alkaline, for absorption of oxygen 

 Sulphuric, normal . . 

 decinormal 



,, ,, standard, i c.c. = i% NH, using i gram of sample . . 



,, for ammonia, i c.c. = i c.c. dry gas, etc. . . 



,, ,, Referee's standard for ammonia in coal gas . . 



,, standard for water analysis 



Aluminium Hydrate, pure, suspended in distilled water 

 Ammonia, Solution, normal 



decinormal 



standard, for acidity in beer, etc. 



,, Referee's standard . . . . . . 



,, standard, i c.c. = o.oi mgm. NH, 

 ,, Magnesium citrate solution (Joulie) 



Ammonium Citrate, sp. gr. 1.09 



Molybdate, nitric acid solution of, for P a O s 



,, Thiocyanate, decinormal | 



standard to equal standard silver nitrate for HC1, i c.c. 



dry gas, etc. . . 

 ; Barium Chloride, normal 

 ,, decinormal 



Nitrate, decinormal 

 Baryta Solution, standard, for CO 2 , 100 c.c. = 0.15 grain C0 2 . . 



,, ,, for CO and CO,, i c.c. = i c.c. dry gas, etc. 



,, ,, for CH 4 , i c.c. = i c.c. dry gas, etc. 



,, for removing P 2 O 6 and S0 3 



Cadmium Chloride solution, for absorption of H,S 

 Calcium Chloride solution, standard, for Clark's soap solution . . 

 for Wanklyn's soap solution 



Phosphate, standard 



Copper Solution and alkaline tartrate (for Fehling's solution) in separate bottles 

 ,, Pavy's 



standard, for colour testing 

 Cuprous Chloride solution, acid, for absorption of CO 



,, ,, ,, ammoniacal, for absoption of CO 



Dextrose Solution, standard 

 Hypobromite Solution, for urea 

 tndigo Carmine, standard 

 Iodine Solution, decinormal 



standard for Cl, i c.c. = i c.c. dry gas, etc. . . 



for SO 2 , i c.c. = i c.c. dry gas, etc. 

 Hubl's, for iodine absorption of oils and fats 

 ron Perchloride, solution, i c.c. = o.ooi grm. Fe . . 

 ,ead Acetate, standard for colorimetric estimation of lead 

 ,, ,, for H a S i c.c.=i c.c. dry gas, etc. 



,, Subacetate solution, for sugar analysis 

 ifagnesia Mixture, for precipitating P,O S 

 ler curie Cyanide, standard, Knapp's, for sugar analysis 

 Iodide, standard, Sachsse's, for sugar analysis 

 Nitrate, standard for chlorides in urine 

 standard for urea 



leta-phenylene-diamine solution, for the estimation of nitrites 

 .Ipha-Naphthylamine solution, for nitrites 

 tessler's Reagent 



Per litre for 

 quantities 

 less than 



i litre. 



c.c. dry s. d. 

 .. 4 6 

 .. 4 6 

 .. 4 6 



4 6 



3 6 

 .. 3 6 

 .. 4 6 

 .. 4 6 

 .. 3 6 

 ..26 

 .. 4 6 

 .. 3 6 

 .. 3 6 

 .. 3 6 



3 6 

 .. 3 6 

 .. 5 6 

 .- 5 6 

 .. 4 6 

 .. 3 6 



= i c.c. 



4 6 



3 6 



3 6 



3 6 



3 6 



4 6 



4 6 



3 6 



5 6 



4 6 

 4 6 



3 6 



6 6 



4 6 



3 6 

 6 6 



6 6 



4 6 



5 6 

 4 6 



4 6 



5 6 

 5 6 



15 6 



3 6 



3 6 



4 I 

 4 6 



4 6 



7 o 



8 6 



5 6 



5 6 



6 6 

 5 6 



10 6 



Per litre for 

 quantities 

 of i litre 



and over. 



f. d. 



4 o 



4 " 



4 o 



4 



3 o 



3 



4 o 

 4 o 



3 O 



2 O 



4 o 



3 o 

 3 o 



3 o 



3 o 



5 o 



4 o 



3 o 



4 o 



3 o 



3 Q 



3 o 



4 ^ 

 4 O 



4 o 



4 ^ 



6 o 



4 O 



3 o 

 6 o 

 6 o 



4 O 



5 o 

 4 ^ 



4 o 



5 ^ 

 15 o 



3 ^ 



4 o 

 4 o 



4 o 



6 6 

 8 o 



5 o 



6 o 



IO O 



iCHEMICAL AND SCIENTIFIC APPARATUS AND PURE CHEMICALS 



1235 



