- Email: [email protected]
Contents marine chemistry, vol. 3, 1975
375
Contents Marine Chemistry, vol. 3, 1975 Research Papers N o r m a l p a r a f f i n profiles of pelagic tar samples f r o m t h e M A R M A P survey J.N. B u t l e r a n d J.C. Harris ( C a m b r i d g e , Mass., U.S.A.) . . . . . . . . E v a p o r a t i v e w e a t h e r i n g o f p e t r o l e u m residues: t h e age o f pelagic tar J.N. B u t l e r ( C a m b r i d g e , Mass., U.S.A.) . . . . . . . . . . . . . T h e e f f e c t of pressure o n t h e c h e m i c a l p o t e n t i a l s o f s e a w a t e r c o m p o n e n t s , o n ionic species in seawater, a n d o n calcite s a t u r a t i o n levels J.V. L e y e n d e k k e r s ( S y d n e y , N.S.W., A u s t r a l i a ) . . . . . . . . . . . H y d r o g e n ion e x c h a n g e o n a m o r p h o u s silica in s e a w a t e r C.H. C u l b e r s o n , R.M. P y t k o w i c z a n d E.L. Atlas (Corvallis, Oreg., U.S.A.) D e t e r m i n a t i o n of Na, K, Mg, Ca, Fe, a n d M n in organic p a r t i c u l a t e m a t t e r in seawater by atomic absorption W.R. H i r s b r u n n e r a n d P.J. W a n g e r s k y (Halifax, N.S., C a n a d a ) . . . . . . Influence of magnesium on the ion-activity product of calcium and carbonate dissolved in seawater: a new a p p r o a c h P. M~ller a n d P P. P a r e k h (Berlin, G e r m a n y ) . . . . . . . . . . . .
1 9
23 43
55
63
Discussion S u l p h a t e c o m p l e x a t i o n in s e a w a t e r -- a short comment R.M. P y t k o w i c z (Corvallis, Oreg., U.S.A.) . . . . . . . . . . . . - - a reply B. E l g q u i s t a n d M. W e d b o r g ( G S t e b o r g , S w e d e n ) . . . . . . . . . .
79
Book Review Coastal Engineering, H b y R. Silvester - - J. D a r b y s h i r e (Anglesy)
81
. . . . . .
79
Research Papers A p p a r e n t d i s s o c i a t i o n c o n s t a n t s o f h y d r o g e n sulfide in c h l o r i d e s o l u t i o n s M.B. G o l d h a b e r a n d I.R. K a p l a n (Los Angeles, Calif., U.S.A.) . . . . . . P o l o n i u m - 2 1 0 : its vertical o c e a n i c t r a n s p o r t b y z o o p l a n k t o n m e t a b o l i c activity R.D. C h e r r y , S.W. F o w l e r , T.M. Beasly a n d M. H e y r a u d ( M o n a c o ) . . . . ' R e a c t i v e ' a n d ' u n r e a c t i v e ' iodine in s e a w a t e r - - a possible i n d i c a t i o n of a n organically b o u n d i o d i n e f r a c t i o n V.W. T r u e s d a l e (Wallingford, G r e a t B r i t a i n ) . . . . . . . . . . . . M a j o r - e l e m e n t c o m p o s i t i o n o f t h e p a r t i c u l a t e m a t t e r in t h e n e a r - b o t t o m n e p h e l o i d layer o f t h e G u l f o f M e x i c o R.A. F e e l y (College S t a t i o n , Texas, U.S.A.) . . . . . . . . . . . . C o n c e n t r a t i o n o f p a r t i c u l a t e trace m e t a l s a n d p a r t i c u l a t e organic c a r b o n in m a r i n e surface w a t e r s b y a b u b b l e f l o t a t i o n m e c h a n i s m G.T. Wallace Jr. a n d R.A. D u c e ( K i n g s t o n , R.I., U.S.A.) . . . . . . . . P h o t o c h e m i c a l d e g r a d a t i o n of p e t r o l e u m h y d r o c a r b o n surface films o n s e a w a t e r H.P. H a n s e n (Kiel, F . R . G . ) . . . . . . . . . . . . . . . . . A n i m p r o v e d specific i n t e r a c t i o n m o d e l for s e a w a t e r at 25°C a n d 1 a t m o s p h e r e t o t a l pressure M. W h i t f i e l d ( P l y m o u t h , G r e a t B r i t a i n ) . . . . . . . . . . . . . S t a b i l i t y of ion pairs f r o m g y p s u m s o l u b i l i t y B. Elgquist a n d M. W e d b o r g ( G S t e b o r g , S w e d e n ) . . . . . . . . . . R e a c t i o n s w h i c h r e m o v e dissolved a l u m i n a f r o m s e a w a t e r J.D. Willey (Halifax, N.S., C a n a d a ) . . . . . . . . . . . . . . .
83 105
111
121
157 183
197 215 227
376
Silica--alumina interactions in seawater J.D. Willey (Halifax, N.S., Canada) .
.
.
.
.
.
.
.
.
.
.
.
.
.
.
241
High molecular-weight material in Baltic seawater M. Brown (Copenhagen, Denmark) . . . . .
.
.
.
.
.
.
.
.
.
.
253
Obituary -- Richard G. Bader
.
.
.
.
.
.
.
.
.
.
259
Short Communication
.
.
.
.
.
.
.
Research Papers
Thermodynamics of the system H20--NaC1--MgC12--Na~SO4--MgSO4 at 25°C R.F. Platford (Burlington, Ont., Canada) . . . . . . . . . . . . . Isotopic fractionation of dissolved nitrate during denitrification in the eastern tropical North Pacific Ocean J.D. Cline and I.R. Kaplan (Los Angeles, Calif., U.S.A.) . . . . . . . . Solubility of calcite in the ocean S.E. Ingle (Corvallis, Oreg., U.S.A.) . . . . . . . . . . . . . . . Mati~re en suspension et phosphore en particules dans l'Atlantique tropical sud le long de 4°W en novembre 1971 L. Lemasson (Abidjan, C6te d'Ivoire) . . . . . . . . . . . . . . Chlorinated hydrocarbons in seawater: analytical method and levels in the northeastern Pacific E.D. Scura and V.E. McClure (La Jolla, Calif., U.S.A.) . . . . . . . . The non-biological oxidative degradation of dissolved xanthopterin and 2,4,6-trihydroxypteridine by the pH or salt concentration of seawater N.J. Antia and A.F. Landymore (Vancouver, B.C., Canada) . . . . . . . Theoretical model for the formation of ion-pairs in seawater D.R. Kester (Kingston, R.I., U.S.A.) and R.M. Pytkowicz (Corvallis, Oreg., U.S.A.) . . . . . . . . . . . . . . . . . . . . . . . . C o n t e n t s Marine Chemistry, vol. 3, 1975 .
.
.
.
.
.
.
.
.
.
.
.
.
.
261
271 301
321
337
347
365 375
Contents Marine Chemistry, vol. 3, 1975 Research Papers N o r m a l p a r a f f i n profiles of pelagic tar samples f r o m t h e M A R M A P survey J.N. B u t l e r a n d J.C. Harris ( C a m b r i d g e , Mass., U.S.A.) . . . . . . . . E v a p o r a t i v e w e a t h e r i n g o f p e t r o l e u m residues: t h e age o f pelagic tar J.N. B u t l e r ( C a m b r i d g e , Mass., U.S.A.) . . . . . . . . . . . . . T h e e f f e c t of pressure o n t h e c h e m i c a l p o t e n t i a l s o f s e a w a t e r c o m p o n e n t s , o n ionic species in seawater, a n d o n calcite s a t u r a t i o n levels J.V. L e y e n d e k k e r s ( S y d n e y , N.S.W., A u s t r a l i a ) . . . . . . . . . . . H y d r o g e n ion e x c h a n g e o n a m o r p h o u s silica in s e a w a t e r C.H. C u l b e r s o n , R.M. P y t k o w i c z a n d E.L. Atlas (Corvallis, Oreg., U.S.A.) D e t e r m i n a t i o n of Na, K, Mg, Ca, Fe, a n d M n in organic p a r t i c u l a t e m a t t e r in seawater by atomic absorption W.R. H i r s b r u n n e r a n d P.J. W a n g e r s k y (Halifax, N.S., C a n a d a ) . . . . . . Influence of magnesium on the ion-activity product of calcium and carbonate dissolved in seawater: a new a p p r o a c h P. M~ller a n d P P. P a r e k h (Berlin, G e r m a n y ) . . . . . . . . . . . .
1 9
23 43
55
63
Discussion S u l p h a t e c o m p l e x a t i o n in s e a w a t e r -- a short comment R.M. P y t k o w i c z (Corvallis, Oreg., U.S.A.) . . . . . . . . . . . . - - a reply B. E l g q u i s t a n d M. W e d b o r g ( G S t e b o r g , S w e d e n ) . . . . . . . . . .
79
Book Review Coastal Engineering, H b y R. Silvester - - J. D a r b y s h i r e (Anglesy)
81
. . . . . .
79
Research Papers A p p a r e n t d i s s o c i a t i o n c o n s t a n t s o f h y d r o g e n sulfide in c h l o r i d e s o l u t i o n s M.B. G o l d h a b e r a n d I.R. K a p l a n (Los Angeles, Calif., U.S.A.) . . . . . . P o l o n i u m - 2 1 0 : its vertical o c e a n i c t r a n s p o r t b y z o o p l a n k t o n m e t a b o l i c activity R.D. C h e r r y , S.W. F o w l e r , T.M. Beasly a n d M. H e y r a u d ( M o n a c o ) . . . . ' R e a c t i v e ' a n d ' u n r e a c t i v e ' iodine in s e a w a t e r - - a possible i n d i c a t i o n of a n organically b o u n d i o d i n e f r a c t i o n V.W. T r u e s d a l e (Wallingford, G r e a t B r i t a i n ) . . . . . . . . . . . . M a j o r - e l e m e n t c o m p o s i t i o n o f t h e p a r t i c u l a t e m a t t e r in t h e n e a r - b o t t o m n e p h e l o i d layer o f t h e G u l f o f M e x i c o R.A. F e e l y (College S t a t i o n , Texas, U.S.A.) . . . . . . . . . . . . C o n c e n t r a t i o n o f p a r t i c u l a t e trace m e t a l s a n d p a r t i c u l a t e organic c a r b o n in m a r i n e surface w a t e r s b y a b u b b l e f l o t a t i o n m e c h a n i s m G.T. Wallace Jr. a n d R.A. D u c e ( K i n g s t o n , R.I., U.S.A.) . . . . . . . . P h o t o c h e m i c a l d e g r a d a t i o n of p e t r o l e u m h y d r o c a r b o n surface films o n s e a w a t e r H.P. H a n s e n (Kiel, F . R . G . ) . . . . . . . . . . . . . . . . . A n i m p r o v e d specific i n t e r a c t i o n m o d e l for s e a w a t e r at 25°C a n d 1 a t m o s p h e r e t o t a l pressure M. W h i t f i e l d ( P l y m o u t h , G r e a t B r i t a i n ) . . . . . . . . . . . . . S t a b i l i t y of ion pairs f r o m g y p s u m s o l u b i l i t y B. Elgquist a n d M. W e d b o r g ( G S t e b o r g , S w e d e n ) . . . . . . . . . . R e a c t i o n s w h i c h r e m o v e dissolved a l u m i n a f r o m s e a w a t e r J.D. Willey (Halifax, N.S., C a n a d a ) . . . . . . . . . . . . . . .
83 105
111
121
157 183
197 215 227
376
Silica--alumina interactions in seawater J.D. Willey (Halifax, N.S., Canada) .
.
.
.
.
.
.
.
.
.
.
.
.
.
.
241
High molecular-weight material in Baltic seawater M. Brown (Copenhagen, Denmark) . . . . .
.
.
.
.
.
.
.
.
.
.
253
Obituary -- Richard G. Bader
.
.
.
.
.
.
.
.
.
.
259
Short Communication
.
.
.
.
.
.
.
Research Papers
Thermodynamics of the system H20--NaC1--MgC12--Na~SO4--MgSO4 at 25°C R.F. Platford (Burlington, Ont., Canada) . . . . . . . . . . . . . Isotopic fractionation of dissolved nitrate during denitrification in the eastern tropical North Pacific Ocean J.D. Cline and I.R. Kaplan (Los Angeles, Calif., U.S.A.) . . . . . . . . Solubility of calcite in the ocean S.E. Ingle (Corvallis, Oreg., U.S.A.) . . . . . . . . . . . . . . . Mati~re en suspension et phosphore en particules dans l'Atlantique tropical sud le long de 4°W en novembre 1971 L. Lemasson (Abidjan, C6te d'Ivoire) . . . . . . . . . . . . . . Chlorinated hydrocarbons in seawater: analytical method and levels in the northeastern Pacific E.D. Scura and V.E. McClure (La Jolla, Calif., U.S.A.) . . . . . . . . The non-biological oxidative degradation of dissolved xanthopterin and 2,4,6-trihydroxypteridine by the pH or salt concentration of seawater N.J. Antia and A.F. Landymore (Vancouver, B.C., Canada) . . . . . . . Theoretical model for the formation of ion-pairs in seawater D.R. Kester (Kingston, R.I., U.S.A.) and R.M. Pytkowicz (Corvallis, Oreg., U.S.A.) . . . . . . . . . . . . . . . . . . . . . . . . C o n t e n t s Marine Chemistry, vol. 3, 1975 .
.
.
.
.
.
.
.
.
.
.
.
.
.
261
271 301
321
337
347
365 375