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Again, we may assume that the electron -- producing power of the special sensitiser or dye for the particular ray it absorbs is responsible, or responsible in part, for the special sensitiveness it confers upon the film.. The Birth-Time of the World and Other Scientific Essays There is no specific concentration limit applicable to the sensitising substance. The percentage of the sensitiser is below the generic concentration limit (of ≥1.0%) in Table 3.4.5 of Annex I of the EC Regulation 1272/2008 on classification, labelling and packaging of substances and mixtures (CLP) that would trigger the classification of the mixture as a respiratory sensitiser, but above the concentration level (of ≥0.1%) in Table 3.4.6 of CLP Annex I for elicitation. Sensitisers are substances that can cause an allergic reaction. The CLP Regulation covers two types of sensitisers: respiratory sensitisers and skin sensitisers. Respiratory sensitisers are defined in CLP as substances that will lead to hypersensitivity of the airways following inhalation. Q 12 The packaging of a substance has the word SENSITISER on it This means that from MME 1501 at University of South Africa Dictionary entry overview: What does sensitiser mean?
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1. A respiratory sensitiser is a substance that will induce hypersensitivity of the airways following inhalation of the substance. 2. A contact sensitiser is a substance that will induce an allergic response following skin contact. CONSIDERATIONS 3.
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Table 1 -. 27 Mar 2019 Ever seen those square orange symbols on bottles and tins like paint and cleaning substances, and wondered what they mean? Or you might Information regarding hazardous substances can be found in ___. a.
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You may not develop asthma immediately after working with a substance. If you see the word “SENSITISER”on a bottled substance, this means that____. You have to mix it with water before using You can have an allergic reaction to it Only a supervisor can use it 2014-08-01 · Substances of very high concern (SVHC) is an important category of toxicant. • Criteria for SVHC categorisation have been established to embrace “CMRs”. • Sensitising substances normally do not meet all the SVHC criteria.
You may not develop asthma immediately after working with a substance. sensitiser - Dictionary definition and meaning for word sensitiser Definition (noun) (chemistry) a substance other than a catalyst that facilitates the start of a catalytic reaction
Insulin sensitiser agents alone and in co-treatment with r-FSH for ovulation induction in PCOS women Gynecol Endocrinol .
A contact sensitiser is a substance that will induce an allergic response following skin contact. CONSIDERATIONS 3.
Breathing in the substances may irritate and cause damage to the nose, throat and lungs.
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An explosive substance or mixture is a solid or liquid substance or mixture of substances which is in itself capable by chemical reaction of producing gas at such a temperature and pressure and at such a speed as to cause damage to the surroundings. When a substance or condition at work causes asthma, it is called work-related asthma. Work-related asthma falls in one of two main categories: Occupational asthma – refers to cases of asthma caused by specific agents in the workplace.
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Skin : Corrosive causes skin burns and severe irritation.
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l‐lysine HCl and concentrated liquid l‐lysine ( base) it is not irritant to skin but mildly irritant to eyes and it is not a skin sensitiser. when stored in sealed brown glass bottles at 25°C and 4 This substance is a known human carcinogen and is associated with an increased risk of It has a role as an oxidising agent, an allergen and a sensitiser. A closed bottle of unused potassium dichromate-sulfuric acid mixture explod (2) The efficient functioning of the internal market for substances can be achieved as a respiratory sensitiser, or in respect of other effects on a case-by-case basis. (e.g.
Once individuals are sensitized, they can have severe reactions to further exposure, even if the exposure quantity is below the regulated occupational exposure limits. Consideration of criteria required for assignment of a (skin) sensitiser a substance of very high concern (SVHC) under the REACH regulation Author links open overlay panel David Basketter a Ian Kimber b Skin Sensitizer A substance that will induce an allergic response following skin contact. The definition for "skin sensitizer" is equivalent to "contact sensitizer". Target substances. - Disperse dyes which are classified as skin sensitisers in category 1, 1A or 1B in Annex VI to Regulation (EC) No 1272/2008, or listed in Table B; - Chromium VI; - Formaldehyde; - 1,4 paraphenylene diamine; - Nickel compounds; - Cobalt compounds; conclude that the test substance is a sensitiser, testing in additional animals to give a total of at least 20 test and 10 control animals is strongly recommended. 2/9. Corrosive substance: risk of internal burns if ingested.