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• Iron stain
  [[File:01-Iron stain C2.jpg|thumb|Iron stain detail]] A reddish [[iron oxide red|iron oxide]] stain caused by rusted [[iron]] or [[steel]]. Weak acids, such as [[citric acid]] and [[oxalic acid]], ha
  739 bytes (99 words) - 10:43, 21 September 2022
• Phytic acid
  ...acid); Phytin® (calcium magnesium salt of phytic acid); Calciphos (calcium iron salt of phytic acid)
  1 KB (141 words) - 13:13, 4 August 2022
• Naval Jelly Rust Dissolver
  ...paste. In addition to removing rust, Naval Jelly is used to prepare [[iron|iron]] and [[steel|steel]] surfaces for painting.
  2 KB (224 words) - 14:17, 17 October 2022
• Ferrous acetate
  Green crystals formed by the reaction of [[acetic acid]] with [[iron]]. Ferrous acetate was used as a mordant for black dyes on [[cotton]] and [ iron acetate; acetate of iron; black liquor, iron liquor; pyrolignite of iron
  1 KB (140 words) - 09:11, 2 August 2022
• Sodium selenite
  ...acture of [[glass|glass]] to remove the green color caused by trace [[iron|iron]] components.
  1 KB (155 words) - 13:00, 28 September 2022
• Pickling acid
  ...]] prior to plating or finishing. The most common pickling bath for [[iron|iron]] and [[steel|steel]] is composed of a 10-20% [[sulfuric%20acid|sulfuric ac
  1 KB (188 words) - 12:09, 27 September 2022
• Iron gall ink
  [[File:ferrous sulfate mixture.jpg|thumb|Iron gall ink]] ...[[potassium oxalate]] have been mentioned as sequestering agents to remove iron gall inks, but any addition of an acid to degraded paper or parchment is no
  3 KB (400 words) - 11:12, 14 December 2023
• Ellagic acid
  ...ic acid is used as a [[tannin]] and as a pale-green to gray [[dye]] with [[iron]] [[mordant|mordants]]. It is being studied as a cancer preventing drug.
  1 KB (202 words) - 15:28, 1 August 2022
• Rust remover
  ...of several physical or chemical methods used to remove [[rust|rust]] or [[iron%20stain|rust stains]]. Examples of physical cleaning methods are: [[petrola * T.Stambolov, B. Van Rheden "Note on the Removal of Rust from Old Iron with Thioglycolic Acid" ''Studies in Conservation'', 13:p.142-144, 1968.
  2 KB (196 words) - 10:39, 28 June 2022
• Ammonium citrate dibasic
  ...ne. Ammonium citrate has also been used for cleaning metals such as [[iron|iron]] and [[aluminum|aluminum]] as well as [[copper|copper]] alloys.
  2 KB (254 words) - 13:51, 26 April 2022
• Ferric acetate, basic
  ...reaction of [[acetic acid]] and [[ferric hydroxide]]. Ferric acetate, or iron acetate, was used in the 19th century to produced sprinkled effects on leat iron acetate
  1 KB (160 words) - 08:51, 2 August 2022
• Iron dichromate
  ...[chromic acid]] or by mixing [[potassium chromate]] with [[ferrous sulfate|iron sulfate]]. basic iron chromate; ferric dichromate; dicromato de ferro (Port.)
  1 KB (140 words) - 10:25, 21 September 2022
• Morin
  ...with [[aluminum|aluminum]] and [[tin|tin]], it is yellow, and with [[iron|iron]], morin is a deep olive brown. It is also used as a spot test reagent for
  2 KB (264 words) - 09:37, 19 October 2022
• Potassium binoxalate
  ...used as a water soluble source of oxalate for removing of rust stains and iron gall inks. It is also used as a cleaner for metals and wood, as a mordant
  848 bytes (120 words) - 08:10, 26 July 2022
• Ferric nitrate
  ...ls formed by the reaction of [[nitric acid]] on [[iron]] or [[Ferric oxide|iron oxide]]. Ferric nitrate is used to mordant dyes, to weight [[silk]], and to iron nitrate
  1 KB (152 words) - 09:01, 2 August 2022
• Potassium tetraoxalate
  ...oxalic acid]] for removing of [[rust|rust]] stains and [[iron%20gall%20ink|iron gall inks]]. It is also used as a cleaner for metals and wood, as a [[mord
  1 KB (190 words) - 11:47, 25 August 2022
• Paratoluidine
  ...nitrotoluene with [[acetic%20acid|acetic acid]] in the presence of [[iron|iron]]. Paratoluidine is used in the manufacture of some synthetic organic red c
  1 KB (188 words) - 14:36, 17 October 2022
• Ammonium oxalate
  ...ed in dyeing textiles, polishing metals, and the electrolytic detinning of iron. Ammonium oxalate is also used as a detection reagent for [[calcium|calcium
  1 KB (146 words) - 13:56, 26 April 2022
• Milled board
  ...olled, or milled, between heavy iron rolls. This produced a smooth finish. Iron impurities in the milled boards have catalyzed acid formation with resultan
  629 bytes (87 words) - 14:39, 9 May 2016
• Colcothar of vitriol
  ...(Schur 1985). During the same period, it was also called red oxide of [[iron]] by [[sulfuric acid]]. ferrous sulfate; iron sulfate
  541 bytes (71 words) - 15:38, 1 July 2022
• Gallein
  ...e dye|aniline]] colors. It produces a bluish-red color with [[alumina]] or iron mordants and a dark violet with lead and tin mordants. Gallein is also used
  1 KB (191 words) - 12:22, 25 July 2022
• Passive iron
  [[Iron]] that has been acid treated to make it corrosion resistant. A strong oxidi
  564 bytes (76 words) - 09:42, 27 September 2022
• Silver Dip
  ...for removing tarnish and corrosion from silver, copper alloys, and rusted iron. Silver Dip contains: 8 ml of 85% orthophosphoric acid 7 grams of thiourea * R.Organ, "The Corrosion of Tin, Copper, Iron and Steel and Lead" in Preservation and Conservation: Principles and Practi
  791 bytes (101 words) - 10:25, 31 May 2022
• Oxygen scavenger
  ...but at low humidity, sodium chloride can initiate the oxidation reaction. Iron powder can reduceoxygen levels to below 0.01% in an air-tight container.
  1 KB (184 words) - 16:29, 19 July 2023
• Glycin
  ...photographic developer. Glycin is as used as a colorimetric detection of [[iron]], [[phosphorus]], and [[silicon]].
  1 KB (153 words) - 08:57, 30 August 2022
• Hydrochloric acid
  ...urities such as [[sulfuric acid]], [[nitric acid]], [[sodium chloride]], [[iron]], and [[chlorine]].
  3 KB (407 words) - 13:00, 14 September 2022
• Ferric sulfate
  ...used as a mordant in textile dyeing and as a component in [[iron gall ink|iron gall inks]]. Ferric sulfate is also used in water purification systems. Fe iron III sulfate; ferric sulphate (Br.); ferric persulfate; ferric sesquisulfate
  2 KB (225 words) - 11:51, 9 December 2022
• Catechutannic acid
  * Produces a green precipitate with iron salts.
  899 bytes (119 words) - 08:45, 24 May 2022
• Sodium dichromate
  ...Solutions of sodium dichromate are used as anticorrosive agents for [[iron|iron]] and preservatives for wood. In the 19th century aqueous solutions of chro
  2 KB (292 words) - 16:33, 1 June 2022
• Aluminon
  ...ly colored lakes with [[aluminum|aluminum]], [[chromium|chromium]], [[iron|iron]], and [[beryllium|beryllium]] salts. It is generally used for the detectio
  2 KB (252 words) - 11:06, 26 April 2022
• Arsenic trioxide
  ...ture of [[glass|glass]] to eliminate any green color resulting from [[iron|iron]] impurities. It was also used as a colorant in paints and enamels.
  2 KB (314 words) - 11:11, 30 April 2022
• Phloroglucinol
  ...ed when [[lignin|lignin]] is present (detection limit is about 5%). [[Iron|Iron]] will react with phloroglucinol giving a purple product. Once the two-part
  2 KB (258 words) - 09:06, 22 October 2022
• Phosphoric acid
  ...]]. Phosphoric acid solutions (10-20%) have also been used to clean [[iron|iron]], [[copper|copper]], [[brass|brass]], and [[bronze|bronze]] (Stambolov et. ...by ingestion and inhalation. Burns skin and eyes on contact. Corrosive to iron containing metals.
  3 KB (360 words) - 09:52, 22 October 2022
• Marcasite
  A grayish-yellow mineral composed of [[iron%20disulfide|iron disulfide]]. Marcasite has a different crystalline form than [[pyrite|pyrit white iron pyrite; cock's comb pyrite; marcassite (sp.); Markassit (Deut.); marcassita
  2 KB (301 words) - 12:28, 17 October 2022
• Chelating agent
  ...gents are used to remove traces a metals in solutions, such as [[zinc]], [[iron]], [[copper]], [[manganese]], and [[cobalt]]. They are added to detergents * Reissland, Birgit and Frank Ligterink (2011) [https://irongallink.org/ The Iron Gall Ink Website] Maintained by the Cultural Heritage Agency of the Netherl
  3 KB (334 words) - 11:13, 14 December 2023
• Aniline black
  ...o produce a strong, initial black color. Once the aniline black faded, the iron and gallic acid color had developed a strong black tone (Kuhn 1986).
  2 KB (263 words) - 14:02, 15 August 2020
• Tannic acid
  ...ce ancient times as a mordant for dyeing. It gives a blue-black color with iron salts. Tannic acid reacts with proteins ([[animal skin|skin]], [[albumin]], * N.Binnie, 'Commercial Rust Conserverters: Surface Protection for Rusted Iron', Canadian Conservation Institute Publications, [http://www.cci-icc.gc.ca/p
  4 KB (507 words) - 07:54, 8 June 2022
• Quantofix test sticks
  ...obalt]], [[copper|copper]], cyanide, [[formaldehyde|formaldehyde]], [[iron|iron]], [[nickel|nickel]], nitrate/nitrite, [[hydrogen%20peroxide|peroxide]], ph
  1 KB (143 words) - 09:11, 26 July 2022
• Carmine lake
  ...pitated on [[alumina trihydrate]] to produce carmine lake. The presence of iron makes a brighter red color. Neither pigment is permanent enough for use in
  3 KB (377 words) - 14:51, 20 May 2022
• Ink
  ...ks]] began to be used. The tannin from the [[gall|gall nut]] reacts with [[iron]] and [[oxygen]] to form a strong black color. Early printing inks containe
  2 KB (270 words) - 12:53, 15 August 2020
• Ferrous sulfate
  [[File:iron sulfate_1.jpg|thumb|Powdered iron sulfate]] ...stalline material that has been used in inks, dyes, and the manufacture of iron. Ferrous sulfate oxidizes slowly in moist air to form a brown coating of b
  3 KB (474 words) - 11:36, 9 December 2022
• Shibu gaki (Persimon tree) - center (358 C)
  | iron
  942 bytes (134 words) - 19:02, 23 June 2020
• Malathion
  ...an unpleasant, [[sulfur|sulfur]] type odor and can be corrosive to [[iron|iron]]. Malathion has been used for control of [[cockroach|cockroaches]], treatm * Corrodes iron, steel, tin, lead, and copper. May discolor organic red dyes.
  2 KB (327 words) - 14:51, 16 October 2022
• Mordant
  ...ide|sodium chloride]] (table salt), [[ferrous%20sulfate|ferrous sulfate]] (iron), [[stannous%20chloride|stannous chloride]] (tin), [[copper%20sulfate|coppe
  3 KB (343 words) - 10:15, 19 August 2020
• Renaissance Metal De-Corroder
  It was described by the manufacturer for treatment of iron; copper; copper alloys; brass; steel; zinc; and galvanized materials with c
  2 KB (236 words) - 09:01, 26 July 2022
• Citric acid
  ...as a sequestering agent for some trace metals and has been used to remove iron gall ink and other types of stains from paper. It is also used in medicine,
  3 KB (436 words) - 16:16, 14 December 2020
• Pentachlorophenol
  ...roduced enough [[hydrogen%20chloride|hydrogen chloride]] to corrode [[iron|iron]] fasteners within 24 hours. The sodium salt, sodium pentachlorophenate or
  3 KB (395 words) - 14:35, 3 November 2023
• Aluminium
  ...with alkaline or metallic materials, such as concrete, plaster, wallboard, iron or copper.
  2 KB (211 words) - 11:03, 26 April 2022
• Alizarin orange
  ...oth orange with an alum mordant or a red to violet color when used with an iron mordant. Alizarin orange is also used as an acid-base indicator. In aqueous
  1 KB (184 words) - 09:25, 26 April 2022
• Oxalic acid
  * T. Stambolev, "Notes on the Removal of Iron Stains from Calcareous Stone," Studies in Conservation, 13, 1968.
  5 KB (703 words) - 16:16, 20 October 2022

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