SP ECIFIC REFRACTIVE INDEX INCREMENTS
Values taken from LDC Milt on Roy Tech nical Note
All measureme nts p erformed at 23C uni ess otherwise sp ecified. Wavele ngth=633nm
SAMPLE dn/dc (ml/gm)
Cellulose tricarba nilate
Tetrahydrof uran, M W =
-Chymotry psinogen
Aq. NaCl, p hos phate buffer, pH
Deoxyrib onu cleic acid (calf thymus)
Aq. tris buffer, pH , M w =
Dextra n
Water, M w =
Dodecylam monium chloride
Aq. 1N NaCl
Gelatin
Aq. NaCl,M w =
Heparin
Aq. NaCl
Hydroxyethyl starch
Aq. NaCl,M w =-
Mucopo lysaccharides
Aq. % NaCl,M w =-
Po lyacrylamide
Water, M w =
Poly (acrylamide/sodium acrylate) (70/30 mole)
Aq. 1N NaNQ, M w - 1C6
Polyacrylate, sodium salt
Aq. NaCI,M W =-
P olyacrylic acid
Tetrahydrofuran, M W =
Tetrahydrofuran, M W =
P oly (acrylo nitrile/styre ne) wt)
Tetrahydrofuran, M W =
Po lyamides:
Unsp ecified comp ositi on, tetrahydrofura n
Unsp ecified comp ositi on, N, N'- dimethylformamide
Unsp ecified comp ositi on, formic acid
M w = 2X10 - 1X10
4
5
“ Nylon
”，hexafluoroisopropanol
M w = 2300 - 1800
Po lyam ines (quarter nary ammonium salt)
Aq. NaCl Aq. 1N NaCl Aq. 2N NaCl
Polycarb on ates:
Unsp ecified comp ositi on, methyle ne chloride M w = Unspecified composition, tetrahydrofuran M w =
Po lyesters:
Unspecified composition, chloroform, M W = Unsp ecified comp ositi on, chloroform, M W =
P hthalic acid/propylene oxide/maleic acid (1/2/1 mole), Tetrahydrofuran, M W = 104
Po lyethyle ne
Trichlorobenzene, M W = - , 135 C o-dichlorobenzene, M w = , 135 C
-chloronapthalene, 145 C
Polyglycol, unsp ecified comp ositi on
Tetrahydrofuran, M w = 500 - 3x1tf
Po lysobutyle ne
Tetrahydrofuran, M w = 3300 Tetrahydrofura n, M w = 6100
Polymethyl methacrylate
Tetrahydrofuran, M w =
Poly(methyl methacrylate/butyl methacrylate)
(60/40 mole), tetrahydrofuran, M w =
P olyolefi n sulfo nes:
Unspecified composition, tetrahydrofuran, M w = Unsp ecified comp ositi on, chloroform, M w =
Unspecified composition, chloroform, M w =
Poly(phenol /formaldehyde), unsp ecified compo siti on
Tetrahydrofura n , Mw =
Polyphen olic acid, unsp ecified comp ositi on
Aq. base, M W =
Polypropylene
1,2,4 trichlorobenzene, M w = , 145 C
°
Po lystyre ne
N,N' - dimethylformamide, M w = Tetrahydrofuran, M W = 960 Tetrahydrofuran, M W = Tetrahydrofuran, M w = Tetrahydrofuran, M W = Tolue ne, M w =-
Poly(styre ne/allyl alcohol) (50/50 mole)
Tetrahydrof uran, Mw =
Poly(styre ne/maleic acid), unsp ecified comp ositi on
Aq. NaCl
Polyvinyl acetate
Ethyl acetate, M w =
P oly(vi nyl acetate/ethyle ne) (85/15 mole or wt., un certa in)
Ethyl acetate
Polyvinyl chloride
Tetrahydrofura n, M w = -1x1^
Polyvinyl chloride
Cyclohexa non e,Mw =-
Polyvinylpy rrolid one, unsp ecified comp ositi on
N, N' - dimethylformamide
All measureme nts p erformed at 26 C uni ess otherwise sp ecified.
Dextra n
Aq. KHPO4, pH
M w = 62,500, 23 C
Epoxy Resin
Unsp ecified comp ositi on, tetrahydrofura n
M w = 12,600
Unsp ecified comp ositi on, tetrahydrofura n
M w = 42,700
Unsp ecified comp ositi on, tetrahydrofura n
M w = 51,700
Unsp ecified comp ositi on, tetrahydrofura n
M w = 63,600
Ethyle ne oxide/Lig nite (25/1 mole)
water, M w = , 25 C
°
Lig nin sulfo nate, sodium salt
Aq. NaNQ, pH
M w = 49,600
Aq. NaNQ, pH ~
M w = 44,400
Phenoxy Resin
Unsp ecified comp ositi on, tetrahydrofura n
M W = 51,700, 23 C
Po lyacrylamide
Water, M W = , 25 C
°
°
Aq. 1M NaCl, M w = , 25C
Aq. 1M NaCl, M W = , 25C
°
Polyacrylate, cati onic salt
Unsp ecified comp ositi on, water M W = 28,200, 25C
P olyacrylic acid
Aq. sodium acetate, pH
M W = 9430
Po lyamide
Unsp ecified comp ositi on, dimethyl sulfoxide
M W - 30,000, 23C °
Unsp ecified comp ositi on, dimethyl sulfoxide
M w - 160,000, 23C °
Po lybutadie ne
Tetrahydrofuran, M W = 6160
Po lycarb on ate
Unspecified composition, chloroform, 23 C
Unsp ecified comp ositi on, tetrahydrofura n
M w = 22,400, 23C °
Po lychlor oprene
Tetrahydrofuran, M W = 378,000, 23C
°
Polydimethylsiloxa ne
Toluene, M w = 19,000
Toluene, M w = 571,000
Poly ethyle ne/Propylene oxide
Unsp ecified comp ositi on, metha nol
M w = 4000, 23 C °
Unsp ecified comp ositi on, metha nol
M w = 4500, 23 C °
Unsp ecified comp ositi on, metha nol
M w = 4540, 23 C °
P oly (methyl methacrylate)
Tetrahydrofuran, M w - 100,000, 23C
Sam pie A Sam pie B Sam pie C
°
Polypropylene oxide
Chloroform, 23 C
°
Po lystyre ne
Methyl ethyl ketone, M w = 3900, 23 C
°
Methyl ethyl ketone, M w = 259,000, 23C
Poly uretha ne
Unsp ecified comp ositi on, tetrahydrofura n
M W = 35,500, 23 C
Unsp ecified comp ositi on, tetrahydrofura n
M W = 46,200, 23 C
Unsp ecified comp ositi on, tetrahydrofura n M W = 63,100, 23C
Unsp ecified comp ositi on, tetrahydrofura n
M W = 72,400, 23 C
Polyviny lacetate
Tetrahydrof uran, Mw =
Tetrahydrofuran, M W = 107,000
Polyvinyl alcohol
Aq. KHPQ, pH
M w = 29,600
Aq. NaNQ
% Carbowax (PEG 1500),1 w = 104,000
Vi nyl ben zyl chloride/Dichlorobutadie ne (97/3 wt)
o-xyle ne, M w = , 35 C
°
Vinyl chloride/V in ylide ne chloride
Unsp ecified comp ositi on, tetrahydrofura n
M w ~ 100,000
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