Three types of crucibels are specified: Type 1, low form, type 2 medium form and type 3 tall form bases an a height/diameter ratio of 0,63; 0,8 and 1,25 resp. Further two types of lid are described: type D, a lid of slightly domed shape and typ R, a recessed lid. Material and construction are specified, shape and dimensions are shown in drawings and in a table.
Số hiệu tiêu chuẩn
ISO 1772
Tên tiêu chuẩn
Laboratory crucibles in porcelain and silica
Ngày phát hành
1975-09-00
Tiêu chuẩn tương đương
DIN 12904 (1975-02), IDT * NF B35-802 (1972-07-01), IDT * NEN-ISO 1772 (1982), IDT * NP-2323, IDT * NS 4522 (1980), MOD * STN ISO 1772 (1995-09-01), IDT * CSN ISO 1772 (1994-02-01), IDT * NEN-ISO 1772:1982 en (1982-03-01), IDT
Từ khóa
Crucibles (laboratory) * Designations * Dimensions * Hard porcelain * Laboratory apparatus * Laboratory glassware * Laboratory ware * Lids * Marking * Materials * Porcelain * Shape * Silicon dioxide * Specification (approval) * Specifications * Tolerances (measurement) * Melting crucibles * Glazed * Nominal sizes
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