Asbestos white

Failure to consider listed chemical qualifier. Aluminum, vanadium and zinc are qualified as fume or dust." Isopropyl alcohol and saccharin have manufacturing qualifiers. Ammonium nitrate and ammonium sulfate are qualified as solutions. Phosphorus is qualified as yellow or white. Asbestos is qualified as friable. Only chemicals meeting the qualifiers require reporting under section 313 and should be reported on Form R with the appropriate qualifier in parenthesis. 

Silicates with layer. structures include some of the most familiar and important minerals known to man, partieularly the clay minerals [such as kaolinite (china clay), montmorillonite (bentonite, fuller s earth), and vermiculite], the micas (e.g. muscovite, phlogopite, and biotite), and others such as chrysotile (white asbestos). 

It is explained that the remaining uses of white asbestos (asbestos cement, friction materials, seals and gaskets, textiles and composites) are likely to become prohibited in the UK in the near future. This article examines in detail the choices available for its replacement. 

Chrysotile, sometimes called white asbestos, with its unique fibrous form, is an expression of the subtle structural variations that can be found in crystalline solids. These characteristics illustrate the need to go beyond the simple, or standard, chemical and crystal analyses used for identification, to understand the distinctive qualities of fibrous inorganic materials. 

White asbestos Categorical term used primarily for processed chrysotile. Chrysotile en masse has a golden color. 

The beta phase is a metastable aUotrope with white, asbestos-hke, lustrous needles consisting of polymeric molecules, melting at 32.5°C, and with vapor pressure 344 torr at 25°C. 

There are various forms of asbestos and not all are equally hazardous. White asbestos, or chrysotile, is the form most commonly used and is the least harmful, being relatively inert in living systems. Crocidolite, or blue asbestos, is especially hazardous and may contaminate white asbestos. 

R04 RG 600 SERPENTINE SERPENTINE CHRYSOTILE SYLODEX WHITE ASBESTOS WHITE ASBESTOS (chiysotile, actinolite, anthophyllite, ttemolite) (DOT)... 

Synonyms No data Mysorite, brown asbestos fibrous cummingtonite/ grunerite Serpentine asbestos white asbestos Silicic acid calcium magnesium salt (8 4) No data Ferroantho- phyllite azbolen asbestos Blue asbestos... 

Chrysotile Asbestos— A fibrous member of the serpentine group of minerals. Chrysotile asbestos fibers are flexible and have a curved morphology. It is the most common form of asbestos used commercially, also referred to as white asbestos. 

Figure 4.9. Changes in the Si MAS NMR spectra during the thermal decomposition of chrysotile (white asbestos). Note the evidence for the two dehydroxylated phases, that at — 72 ppm forming forsterite directly, that at — 97 ppm forming enstatite by the thermal decomposition sequence shown schematically at the right. From MacKenzie and Meinhold, (1994a), by ptermission of copyright owner.

AMPHIBOLE ASBESTOS, WHITE ASBESTOS FIBER ANTHOPHYLITE ANTHOPHYLLITE (17068-78-9)... 

SYNONYMS Chrysotile, amosite, crocidolite, tremolite, anthophyllite, actinolite, tremolite, actinolite, serpentine chrysotile, white asbestos, blue asbestos. 

PHYSICAL PROPERTIES A group of six different naturally occurring minerals most common type is white long, thin fibers similar to fiberglass odorless not volatile not soluble small fibers may occur in suspension in both air and water MP (1112°F) BP (decomposes) SG (2.55 (white asbestos))... 

SYNONYMS 4T04, 7N05, 7RF10, chrysotile, amosite, crocidolite, asbestos fibers, synthetic fibers, AT 7-1, calidrea-hop, mountain-cork, mountain-leather, mountain wood, P-5-50, white asbestos... 

Actinolite Amosite Anthophyllite Asbestos Asbestos, blue, 9 Asbestos, brown Asbestos, white, 9 Blue asbestos Blue asbestos (crocidolite), 9 Brown asbestos (amosite, mysorite), 9 Chrysotile Crocidolite Mysorite Talcum with tremolite and/or actinolite Tremolite White asbestos White asbestos (chrysotile, actinolite, anthophyllite, tremolite), 9... 

White asbestos (12001-29-5) refers to the degree to which the mineral surface achieves complete reflectance over the visible spectrum rather than to the actual colour or hue of the mineral consequently, white describes multiple asbestos types, although it is most commonly applied to actinolite, chrysotile, and sometimes anthophyllite and tremolite. Similarly, while brown asbestos principally refers to amosite, it actually describes the degree to which the mineral deviates from colourlessness toward yellow, tan, or brown. 

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