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Record 1,  Textual support,  English

Record number: 1, Textual support number: 1 DEF

A water-soluble iron salt which is formed by reaction of ferric hydroxide and sulfuric acid, by reaction of iron and hot concentrated sulfuric acid, or which can be obtained in solution by reaction of chlorine and ferrous sulfate.  3, record 1, English, - iron%28III%29%20sulfate

Record number: 1, Textual support number: 1 OBS

Chemical formula: Fe₂(SO₄)₃ or Fe₂O₁₂S₃  3, record 1, English, - iron%28III%29%20sulfate

Record 1,  Textual support,  French

Record number: 1, Textual support number: 1 DEF

Sel de fer soluble obtenu par la réaction de l'hydroxyde ferrique et de l'acide sulfurique, par la réaction du fer et de l'acide sulfurique, concentré et chaud, ou en solution par réaction du chlore et du sulfate ferreux, et qui est utilisé comme floculant, seul ou avec la chaux.  3, record 1, French, - sulfate%20de%20fer%28III%29

Record number: 1, Textual support number: 1 OBS

Formule chimique : Fe₂(SO₄)₃ ou Fe₂O₁₂S₃  3, record 1, French, - sulfate%20de%20fer%28III%29

Record 1,  Textual support,  Spanish

Record number: 1, Textual support number: 1 DEF

Sólido cristalino amarillo o polvo blanco grisáceo. Poco tóxico no combustible.  1, record 1, Spanish, - sulfato%20f%C3%A9rrico

Record number: 1, Textual support number: 1 OBS

Fórmula química: Fe₂(SO₄)₃ o Fe₂O₁₂S₃  2, record 1, Spanish, - sulfato%20f%C3%A9rrico

Record 2,  Textual support,  English

Record number: 2, Textual support number: 1 DEF

A black magnetic iron oxide found in nature as magnetite, also obtained synthetically(as from iron by heating in steam or from a ferrous salt and an alkali by precipitation and oxidation), and used chiefly as a pigment and a polishing compound but also as a catalyst, in magnetic inks, in metallurgy, in ferrites for the electronic industry and in coatings for magnetic tapes.  9, record 2, English, - iron%28II%29%20diiron%28III%29%20oxide

Record number: 2, Textual support number: 1 OBS

Chemical formula: Fe₃0₄  9, record 2, English, - iron%28II%29%20diiron%28III%29%20oxide

Record 2,  Textual support,  French

Record number: 2, Textual support number: 1 CONT

Composés du fer. [...] L'oxyde magnétique Fe₃O₄, ou oxyde salin, constitue la pierre d'aimant naturelle; on l'obtient artificiellement par combustion du fer ou par action de la vapeur d'eau. C'est une poudre noire qu'on peut considérer comme une combinaison des deux autres oxydes [ferreux et ferrique].  9, record 2, French, - oxyde%20de%20fer%28II%29%20et%20de%20difer%28III%29

Record number: 2, Textual support number: 1 OBS

oxyde de fer : ce terme désigne chacun des composés du fer avec l'oxygène, comme l'oxyde ferreux (FeO), l'oxyde ferrique (Fe₂O₃), et l'oxyde ferrosoferrique (Fe₃O₄).  10, record 2, French, - oxyde%20de%20fer%28II%29%20et%20de%20difer%28III%29

Record number: 2, Textual support number: 2 OBS

Formule chimique : Fe₃O₄  10, record 2, French, - oxyde%20de%20fer%28II%29%20et%20de%20difer%28III%29

Record 2,  Textual support,  Spanish

Record 3,  Textual support,  English

Record number: 3, Textual support number: 1 DEF

A brown print process [by which paper] sensitized with silver nitrate, ferric ammonium citrate and citric acid is exposed under line drawings when the ferrous salt produced by light action reduces the silver nitrate producing a brown image which is fixed in hypo.  1, record 3, English, - Van%20Dyke%20process

Record number: 3, Textual support number: 1 OBS

... used in USA for making line negatives for photo printing and for proofing colour litho negatives.  1, record 3, English, - Van%20Dyke%20process

Record 3,  Textual support,  French

Record 3,  Textual support,  Spanish

Record 4,  Textual support,  English

Record number: 4, Textual support number: 1 CONT

Because of ozone’s great oxidizing power it is used: As an oxidizer of all reducing compounds. Thus it is used in the treatment of water for eliminating iron and manganese by precipitating ferrous and manganese salts in the form of ferric and manganic hydrates which can easily be removed by settling or filtration (fig. 3).  2, record 4, English, - ferrous%20salt

Record 4,  Textual support,  French

Record number: 4, Textual support number: 1 CONT

Grâce à son puissant pouvoir oxydant l'ozone est utilisé: Comme oxydant de tous les sels réducteurs. Ainsi il sert d'agent de traitement pour la déferrisation et la démanganisation de l'eau, faisant passer les sels ferreux et manganeux à l'état d'hydrates ferriques et manganiques qui précipitent et sont alors aisément éliminés par décantation ou filtration (fig. 3).  2, record 4, French, - sel%20ferreux

Record number: 4, Textual support number: 2 CONT

[...] ce sont [...] des sels ferreux qui teintent en vert le lac du Kelud ou celui de l'Askja.  3, record 4, French, - sel%20ferreux

Record 4,  Textual support,  Spanish

Record 5,  Textual support,  English

Record number: 5, Textual support number: 1 CONT

Nitroso dyes. By treating beta-naphthol with nitrous acid, alpha-nitroso-beta-naphthol is obtained, which reacts with an iron salt such as ferrous sulfate to give Pigment Green B....  3, record 5, English, - nitroso%20dye

Record number: 5, Textual support number: 1 DEF

Dyes whose molecules contain the -NO or =NOH chromophore group.  2, record 5, English, - nitroso%20dye

Record 5,  Textual support,  French

Record number: 5, Textual support number: 1 CONT

Colorants nitrosés. Ils sont caractérisés par la présence d'au moins un groupe nitroso -N=O [...]. Il s'agit donc de phénols ou de naphtols nitrosés qui, traités par des sels métalliques (par exemple de fer), donnent des chélates vert olive ou bruns [...]  1, record 5, French, - colorant%20nitros%C3%A9

Record 5,  Textual support,  Spanish

Record 6,  Textual support,  English

Record number: 6, Textual support number: 1 DEF

A case hardening process in which a ferrous material is heated above the lower transformation range in a molten salt containing cyanide to cause simultaneous absorption of carbon and nitrogen at the surface and, by diffusion, create a concentration gradient. Quench hardening completes the process.  4, record 6, English, - cyaniding

Record number: 6, Textual support number: 1 OBS

A sodium cyanide mixture ... is generally used for cyaniding on a production basis. ... The inert salts, sodium chloride and sodium carbonate, are added to cyanide to provide fluidity and to control the melting points of all mixtures.  2, record 6, English, - cyaniding

Record 6,  Textual support,  French

Record number: 6, Textual support number: 1 CONT

Céments liquides. Cyanuration. Le bain cémentant est constitué par un mélange à base de cyanure de sodium (20 %) et de carbonate de soude (70 %), qui est porté à la fusion dans un creuset à une température de 850 ° à 920 ° suivant la nature du bain et ses conditions de travail. Les pièces sont plongées dans ce bain et y sont maintenues pendant un temps variable selon l'épaisseur de cémentation désirée.  1, record 6, French, - cyanuration

Record 6,  Textual support,  Spanish

Record 7,  Textual support,  English

Record number: 7, Textual support number: 1 DEF

A photographic process dependent upon a photosensitive iron compound(ferric oxalate), which after the absorption of radiation is converted to a form(ferrous oxalate) capable of reducing a platinum salt to metallic platinum.  3, record 7, English, - platinotype

Record 7,  Textual support,  French

Record number: 7, Textual support number: 1 DEF

Procédé de photographie au platine, utilisant des papiers imprégnés de chlorure platineux et d'oxalate ferrique.  3, record 7, French, - platinotypie

Record number: 7, Textual support number: 1 OBS

Ce procédé est aussi appelé "procédé inaltérable" dans le "Dictionnaire synonymique" d'Anthony Guerronnan, dictionnaire de photographie datant de 1895.  4, record 7, French, - platinotypie

Record 7,  Textual support,  Spanish

Record 8,  Textual support,  English

Record number: 8, Textual support number: 1 DEF

a permanent photographic print having an image of platinum black obtained by the reduction of a platinum salt by a developer containing an iron salt(as ferrous oxalate)(...)  3, record 8, English, - platinotype

Record 8,  Textual support,  French

Record number: 8, Textual support number: 1 DEF

(...) des images positives sur papier obtenues en remplaçant les sels d'argent métallique par une émulsion aux sels de platine.  1, record 8, French, - platinotype

Record 8,  Textual support,  Spanish