Verbesserung einiger Verfahren zur photometrischen Bestimmung von Rhenium S. StefanovN. JordanovM. Pavlova OriginalPaper Pages: 449 - 453
Anion-exchange separation of thorium and protactinium from uranium matrix Maher M. El-Dessouky OriginalPaper Pages: 461 - 466
Spektralphotometrische Schnellmethode zur Bestimmung von Chlorid in Pflanzenmaterial W. LikussarH. HuberD. Grill OriginalPaper Pages: 467 - 471
Eine emissionsspektrographische Methode zur Bestimmung extremer Spurengehalte von Wolfram in Gesteinen Ingeborg Janda OriginalPaper Pages: 473 - 479
Zur quantitativen Bestimmung von Robinin Antonia Z. ZaprjanowaMariana K. Angelowa OriginalPaper Pages: 481 - 486
A New catalytic reaction for determination of nanogram amounts of copper A. A. AlexievP. R. BontchevS. Gantcheva OriginalPaper Pages: 487 - 495
Use of pyridine-2-aldehyde-2′-pyridylhydrazone for trace analysis of copper in foodstuffs Kum-Tatt LeeYock-Fong ChangSau-Fun Tan OriginalPaper Pages: 505 - 513
A simple method for determining ammonia in water at the ppm level Hong-Kwen BooT. S. Ma OriginalPaper Pages: 515 - 523
Electrically generated lead(IV) acetate and manganese(III) acetate as reagents for coulometric redox titrations in acetic acid Tibor J. PastorVilim J. VajgandZorica Kicovic OriginalPaper Pages: 525 - 534
Simple and sensitive catalytic method for determination of copper in blood serum A. A. AlexievP. R. BontchevV. Bardarov OriginalPaper Pages: 535 - 542
Microdetermination of serum iron and of iron-binding capacity by precision photometry P. Reinouts van Haga OriginalPaper Pages: 543 - 547
Über die polarographische Bestimmung von Parathion und ähnlichen Insekticiden neben ihren Metaboliten im Blut ohne Extraktionsverfahren M. Zietek OriginalPaper Pages: 549 - 557
Separation and spectrophotometric determination of uranium (VI) by extraction with arsenazo III and zephiramine Keiichi Sekine OriginalPaper Pages: 559 - 568
Extraction and separation of uranium(VI) and protactinium(V) with 1-(4-tolyl)-2-methyl-3-hydroxy-4-pyridone B. TamhinaA. GojmeracM. J. Herak OriginalPaper Pages: 569 - 578
Spectrophotometric determination of chromium(III) with 4-(2-thiazolylazo)-resorcinol B. SubrahmanyamM. C. Eshwar OriginalPaper Pages: 579 - 584
Spectrophotometric determination of hafnium(IV) with 1-(2-pyridylazo)-2-naphthol B. SubrahmanyamM. C. Eshwar OriginalPaper Pages: 585 - 590
Detection of aromatic amines using lead tetraacetate as the reagent Krishna K. VermaSameer Bose OriginalPaper Pages: 591 - 594
Rapid extraction and photometric determination of cerium(IV) with N-p-tolylbenzohydroxamic acid (p-TBHA) Y. K. Agrawal OriginalPaper Pages: 595 - 601
Spectrophotometric determination of thiosulfate and tetraphenylborate ions through ligand exchange reaction at solid surface M. C. MehraP. O'Brien OriginalPaper Pages: 603 - 609
Titrimetric determination of mercaptans with potassium persulphate Ram Chand PaulSuresh KumariRam Parkash OriginalPaper Pages: 611 - 617
Spectrophotometric determination of phenylhydrazine with ammonium molybdate J. P. RawatPriti Bhattacharjee OriginalPaper Pages: 619 - 624
Hexamminecobalt(III) tricarbonatocobaltate(III) as a redox titrant for the determination of iodide, sulfide, sulfite, and thiosulfate Muhammad HanifMuhammad SaleemJ. Zyka OriginalPaper Pages: 625 - 633
Einfluß der elektrischen Leitfähigkeit der Probe auf die Korrekturberechnung bei der quantitativen Mikrosondenanalyse Achim R. BüchnerJohannes P. M. Stienen OriginalPaper Pages: 635 - 652
Zur Bestimmung von Quecksilber in Oberflächen-, Quell- und Grundwässern Gerhard SontagManfred KerschbaumerGerald Kainz OriginalPaper Pages: 653 - 667