Lead poisoning in jewellery enamellers.
نویسندگان
چکیده
The manufacture of jewellery is an old-established industry in Birmingham which is still carried out in the jewellery quarter of the town where jewellery and badges are enamelled by women in well-lit workshops, some of which retain the graceful features of early industrial architecture. At the work bench the enamel is contained in a small jar, and the designs, which are often small and complicated crests on medals and cuff links, are painted on the jewellery with a metal applicator. Skill and training are necessary to master the craft which, when acquired, provides very satisfying work. The enamel frit used in the process is a lead-borosilicate containing about 42% of lead. It is insoluble in water but partially soluble in 0 I N hydrochloric acid, io mg. of the powder yielding about IOO ,g. of lead in solution after incubation for one hour at 37°C. (Chalmers, Whitehead, and Massey, I963), a test devised to resemble both the conditions in the human stomach and that statutorily prescribed in the Pottery (Health) Special Regulations, 1947.
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عنوان ژورنال:
- British journal of industrial medicine
دوره 24 4 شماره
صفحات -
تاریخ انتشار 1967