172 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS 65 '{ 60 - -- NO ADDED ELECTROLYTE •'x,• --•-- 0.001 g/lOOml, No CI 55 . --•-- 0.01 g/IOOml. No CI --,-- 0.1 g/lOOml. NoCI •50 . --o-- 1,0 g/lOOml. NoCI Z I--x-- I0.0 g/IOOml, No CI I- •'"'ø • PERCENT TRANSMITTANCE •: 40 - (/) o + VS, I-- 30 - •0 . 5" o I I I o.ooo• o.oo• o.o• o, • •,o ' •o,o CONCENTRATION OF ETHOXYLATE (g/lOOml) Figure 1. Variation of transmittance as a function of concentration of El0 ethoxylate in the presence of sodium chloride 6. ß 60- -- NO ADDED ELECTROLYTE --•-- 0,001 g/lOOml. K CI 55 --•,-- 0,01 g/I00 mi. K CI •'•'-•-• 0.1 g/ I00 mi. K CI _ _ • o-- 1,0 g/lOOml. K CI 50 .....-.---"'"• • --x-- IO.O g/ 100 mi. K CI • ,•o ß PERCENT TRANSMITTANCE \ vs, • 30 CONCENTRATION - E,O 'ROOUC'r I0' 5' ol I I I ] o.oool o.oo• o,o• o.• •.o •o.c CONCENTRATION OF ETHOXYLATE (g/lOOml) Figure 2. Variation of transmittance as a function of concentration of El0 ethoxylate in the presence of potassium chloride

ELECTROLYTES AND EMULSION STABILITY 96 94_ -- NO ADDED ELECTROLYTE --©-- 0.001 g/lOOml. No CI 92 _ --8-- 0.01 g/IOOml. No CI --,-- 0.1 g/lOOml. N•3CI _---------'•• --o-- I.O g/ mOOmi. No Cl • 90 • - x-- I0.0 g/IOOml. No CI PERCENT TRANSMITTANCE U3•84- V$. 82 E 15 PRODUCT ..=._._._-.o• 74' 72' 70 I I I I 0.0•1 0.001 0.01 O. I 1,0 IO,C CONCENTRATION OF ETHOXYLATE (g/lOOml) Figure $, Variation of transmittance as a [unction of concentration of El5 ethoxylate in the presence of sodium chloride 173 • - -- NO ADDED ELECTROLYTE --©-- 0.001 g/lOOml. K CI 92 . •-- 0.01 9/100ml. K CI --,-- O. I g/IOOml. K CI --o-- 1.0 g/lOOml. K CI 90 C...._._...•x --x-- I0.0 g/lOOml. K Cl •88 - .o __________-• • PERCENT TRANSMITTANCE 1•-86 •'-'--'-•-ø •o k• V$, • • • • • ..ooucT 74 - ••- • 72' 70 I I I I 0,0•1 0,001 0,01 O. I 1,0 I0,0 CONCENTRATION OF ETHOXYLATE (g/lOOml) Figure 4. Variation of transmittance as a function of concentration of ethoxylate in the presence of potassium chloride