Naples Yellow Light Pigment, Size: 100 G Jar

SKU: NAP-437-5410
    Unit Price
    Quantity
    Subtotal
    US 77.83$
    US 77.83$
    US 77.36$1%
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    US 77.09$1%
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    Color
    Yellow
    Processing time
    Usually ships the next business day.
    Pigment type
    Inorganic, Historical, Synthetic
    Description

    Naples yellow is an artificial historical pigment made by heating lead and antimony together, which has been manufactured since the fourteenth century B.C.E.

    Pigment Names
    Current Names: English: lead antimonate yellow
    French: jaune d’antimoine
    German: Bleiantimoniat
    Historical Names: English: Naples yellow
    Dutch: Napels geel
    French: jaune de Naples
    German: Neapelgelb
    Italian: giallo di Napoli
    Russian: неаполитанская желтая
    Spanish: amarillo de Nápoles
    Synonyms: English: antimony yellow
    German: Antimongelb
    Origin and History

    Lead antimonate yellow, known by the name of Naples Yellow, was manufactured as early as the 18th Dynasty (16th-14th century B.C.E.) at Thebes. Since the fifteenth century B.C.E. it was the only yellow colorant in general use, then it was gradually replaced by lead-tin yellow. Lead antimonate yellow gained its highest popularity in European art between 1750 and 1850 after which it was replaced by lead chromate yellow and finally by cadmium sulfide yellow.

    Source

    Naples yellow is produced by fusing lead and antimony together, yielding a pale to deep yellow pigment that is ground and screened through a fine mesh. A brilliant yellow is obtained by mixing two parts of chemically pure lead nitrate with one part of pure antimony potassium tartrate (tartar emetic) and four parts of sodium chloride (common salt) and purified by repeated crystallization, exposing the mixture for two hours to a heat sufficient to fuse the sodium chloride, and finally dissolving out the sodium chloride with water. If the temperature has not been allowed to rise too high, the Naples yellow is then obtained in the form of a fine powder. The same pigment is also obtained, but generally of a less brilliant color, by fusing equal parts of antimony and lead with three parts of potassium nitrate (nitre) and six parts of common salt.

    The Colour Index lists two types of lead antimonate yellow: Pigment Yellow 41, No. 77588 and Pigment Yellow 41, No. 77589 that is made by fusion with zinc oxide or bismuth oxide. Actually, it is possible to make man different types of lead antimonate yellow to achieve different hues of yellow.

    Rublev Colours Naples Yellow Light is lead antimonate yellow made by the process outlined above with a ratio of 4:1 lead to antimony with titanium added to calcined mixture, resulting in a brilliant yellow color.

    Permanence and Compatibility

    Lead antimonate yellow is alkali fast and is insoluble in organic solvents. Due to the presence of lead it may darken by atmospheric hydrogen sulfide and is therefore more permanent in oil than in watercolor. The pigment is light fast. Lead antimonate yellow is compatible with all pigments except barium yellow in fresco and with all vehicles except those containing acid preservatives.

    Oil Absorption and Grinding

    Lead antimonate yellow absorbs a small amount of oil (18 g oil per 100 g of pigment). It has a strong drying effect on oil paint. It is sometimes difficult to grind because of its hardness. When grinding, do not use metal implements as the antimony will abrade the metal and cause discoloration.

    Toxicity

    Lead antimonate yellow contains lead and is rated toxic, especially by prolonged exposure through ingestion or inhalation. Utmost care should be used in handling the dry powder pigment to avoid breathing the dust. It is only moderately toxic in contact with the skin.

    Rublev Colours Naples Yellow Light Pigment
    Pigment Information
    Color: Yellow
    Colour Index: Pigment Yellow 41 (77588)
    Chemical Name: Lead Antimonate
    Chemical Formula: Pb3(SbO4)2
    ASTM Lightfastness Rating
    Acrylic: Not Tested
    Oil: Not Tested
    Watercolor: Not Tested
    Properties
    Density: 6.0 g/cm3 at 20° C.
    Hardness: -
    Refractive Index: -
    Oil Absorption: 18 g oil/100 g pigment
    Health Label

    DANGER! CONTAINS LEAD. HARMFUL IF SWALLOWED. Avoid ingestion and skin contact. Avoid breathing dusts from sanding or mists from spraying. Wear protective clothing and gloves to prevent contact with broken skin. Never use near children or pets. Conforms to ASTM D 4236.

    DANGER
    CONTAINS LEAD / CONTIENT DU PLOMB
    DO NOT APPLY TO SURFACES ACCESSIBLE TO CHILDREN OR PREGNANT WOMEN.
    NE PAS APPLIQUER SUR UNE SURFACE ACCESSIBLE AUX ENFANTS OU AUX FEMMES ENCEINTES.
    Must be used exclusively as material for the purposes of arts, crafts or hobbies, not for use by children. Utiliser uniquement aux fins suivantes comme matériaux pour les besoins d'art, d'artisanat ou passe-temps, pas pour une utilisation par les enfants.

    Shipping specs
    Weight
    0.22 lbs
    Shipping from
    This product is shipped from our supplier's warehouse in Willits, CA, United States
    Our guarantee
    This product is brand new and includes the manufacturer's warranty, so you can buy with confidence.
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