372 PHOTOGRAPHIC FACTS AND FORMULAS 
Mol. 
Name Symbol Weight 
Potassium JOGide 5% ,)./6 0/5 Sew eines KOT. A 166 
— metabisulphite ...... Ka 'S3 Ose Se ee 222, 
— AEG ALE ot) ects aioe tie'ats K. NOs 55 onde ee 101 
— RIMEEAP Seine See stele glare K'NQs ...0002 5 85 
— eee eh) aa an Ks Cy Oc HO)... eee 184 
— percarbonate ........ Ky Cy: O63. eee 198 
— perchlorate '.\.30%. 2 5) KO CL On.ki0).0. 0. Dee 138.5 
— permanganate ....... Ks Mn. Os: 0. 2 a ee 316 
— perstlphate sce yen. Kee: Se Og inins cee ae 270 
— SIP MALE Cece meee KeSOe eos eae 174 
SMPMOCVAMIGe |e... casas w a eee K CON Shichi ee 97 
Pe VROCATEC HI”... a1 shares ache eicre ns Co Hy (OH) 2 45. See 110 
BROCHENIS SALE icine Siaial wales wines K Na C. Hi Os 45-0 eee 282 
Schlippe’s salt (sodium sulphanti- 
moniate ) iks| si(asvexeyle)e\ia/leila tarjeye\niinllela’ «jie Nas Sb S, 9H: *. one 479 
Seer HECEALE ic Ce Mis eked ces Ag C, Ha On). tee eee 167 
— ammonium nitrate ...... Ag NO:t+2Ng).) 2.550 204 
EATEN TAS GG) 61.605 | SAPO a Ag Br soo ocdiee ee see ee 188 
ER es 3612) aE Ma Sen Ags COs ssc oc' deck 276 
Sees eT AE eS ceed e Giheea'g toh 8 ie Ag Gl) acc2) 2 143.5 
NINE 5 «2 oh Ne eG Ages Ce Hs, O73. 4. 513 
See AMAT LLE Niele te Maralle aia. al biaieveiacs Ag F 4H,0 *: 2... :200 eee 199 
ETM |6< Sc (UNA UAUT  ROE UR GU aD ee Teh bob leet er 235 
SN NIRS TREN To islet ici Lien! wie Gian As NOs Joyo 170 
Sool AMIEEILE Sc ail ico cas Sislcls wae ok Ag’ NOs iho 6.0. (ee eee 154 
== Wxalabe tesa cies paieee Ags Ca Ou o.oo ee eee 304 
eay YORAM! Valo Walon Bite rate Se eB Ags Ooi ei 224 
rat MOOS PALE |. Ue) ucle be gd ees a's Ags POs). 00505. Ssh 419 
==) te SpHAte, C2 UNE U ef Ags SQe i225 weet eee 312 
eh SUM DMIGE:, 46 Sc uinls'y aieiaie bee Aga 8 vis ode ish oe 248 
ity Geb EBACE Y tins uh Cala eee eee Ags Cy Hy O6..5..3 ee 363.4 
SGU ECOEAEE V8 io diet kis alee ee NaC. H: QO. 3H:0). 332eee 136 
— ao NSE) eee eid Na) C2. Hs ‘O22... ae iee eee 182 
—— (| bicarbonate ........60 6s Na! H COs i455 84 
SW ICH OMIALE: M5) Sesaip aria Gis Na:z.Cr2'Q, 220: . kee 298 
Ce DASTERPHNIEE ical Selene Mielaie Na! H SOs)... See eee 104 
Ey vt BORAGE) Sicuckeroitnalah ae whe Ais Nas Bs O; 10H2O) . 2.0088 382 
ol) PORAIAE) hah hor ete lie LUN Na. Br 2830 2 eae 139 
— carbonate (dry)* ...... Naz COs ise oie oe oe 106 
— carbonate (cryst.) ..... Naz CO;'.10H.0 se.) 286 
oo WIM Onde iN. tay Na. Cl soil ce oe 58.5 
—  chloro-platinite ........ Na: Pt: Cle 6GHsO 'o,..5 oe 560.4 
Peet TRE WCU) oN RU he Oe Nas Cy Hs O; 514H:0 (ieee 357 
Sl OTIS re se Ge oa ea INO sc. oe art 42 
* In formule 10 parts anhydrous (= dry) soda carbonate can be used in 
iti ws 27 parts cryst. soda carbonate. 10 parts of cryst. equal 3% parts 
of the dry. 
