Chemical Tables 
TABLE OF SYMBOLS AND MOLECULAR WEIGHTS OF 
THE MORE IMPORTANT COMPOUNDS USED 
IN PHOTOGRAPHY 
Name Symbol Weight 
24 clo) (81 AD OG ADS AI OLS eS RE Cs He Ooo. 2 58 
— sulphite aden is) halle’ atin oe C,H, OH SOs Na‘roicieeee 162 
PNET ACETAC olga oa ws eleimtendr mania Hy Oe oo. os one 60 
Se MNERT SOTO! UN bcc eis blo vale piers ee C. Hs COOH. 442s 122 
SORES Wales ON NE RGL Oa etic eres Hs BOs (cies kee 62 
aE Deh 2 0,6) 9 ae Un ag i pa C. Hs OW ail ere eee 94 
— chlorochromic ........... Gl Ce O; OR its. Cee 136:5 35 
— chromic (anhydride) ..... Cr Os L202 a eee 100 
ee MC LEMNG RMU a Yala ie gan a Ce Hs 0; 0) 0. eee 210 
ee LAAT OTRAS NEI a gale oiaeie a ep Hay Sa OF soos eee 162 
eA 5) 9 0 91M UR LMP Uy a A HCO. 60 46 
SES Toa hol AAAI a AR A nt (OH): COOH, H:.0 . 188 
— hydrobromic .........000. Bf Br. ie 81 
ae MMV GROCAIOTIC | '.'o)e'ss gue ols aig H Cl sla'Sihiv cee sea en 36.5 
ey MVOLOUNMOTIC | sass o's sw scc's ees FE ae Oe 34 
rota 4) oY 515 (tnd MNO LINES Bele ale en CH, CH (OH): COOH: 90 
AAA CELD [eA UN Nady ae ESA AREER AD AA HNOs") 300 oe 63 
asco) (| SRM AR OM RSA RR CRM Ne dee Be He Ce On ee eee 126 
mae | UEC EMIOMAC (5.0 Ciwiclee bones Fis Sis Oa) ctecis sass Cee 258 
nee | ORC MRORIIE 12. 5 aL ie a. H Cr Oss Lisa 117 
Se! MOMOSMMONEC | (0/c sion sia ase aie Hs) POs |. i cdi dete 98 
Pa MUGEN i ied Wialuleic tal Ria egnm iete Bah C. Hs (NO:): OH . 2a 139 
ar MOU OSB leh wee as needle Hs: (OH )33)..0. eee ‘2 126 
mar IGEN ITE 114!) cit cia wate mite ale a ie C. Hy (OB) COOR ae 138 
eoaai STAID NIIAC) 4.2 said ioia @ elavilevess Bis SOa seals s Bae 98 
pn) SUL DAUITOUS) | bc lave Wiesel die eld oie Hy SOs 430) See 82 
SNA MEUTATING ul tai Sic luyh te valet ab eag aah iene Ca He OS Sf eee 322 
seh RERTOAT AES hu ha. see node webs ne letieae iets C. H: (OH): (COOH): ... 150 
eta paIGnge: 0. Susu ld Ha Sy Oe So. 2 a 225 
calli £16116): € oa AD ae ERD Ie Hy Ss Qe veces even 194 
Alcohol (methyl) \.5/.65 0 5 waieweats CH OF vou oi ee 32 
—_ (ethyl) Sialelals vate verion stebeverete C,H; OF 22 ee 46 
Alama amnimonda ol) Kk ee Al; (NH.):2 (SO.)4 24H:20O . 906 
Tae DM LLe 2165) =k NS MRE AD RT Cra Ks (SQ) a 2450 eae 998 
—  iton ammonia ........5.: Fe. (NHz)2 (SOs) 24H:O . 964 
Re MN MOERUSED (sinc ucla ase ee ah eM uine Al, K; (SO«)« 24H20O ..... . 948 
368 
