Số hiệu tiêu chuẩn
ISO 4945
Tên tiêu chuẩn
Steel; Determination of nitrogen content; Spectrophotometric method
Ngày phát hành
1977-12-00
Tiêu chuẩn tương đương
DIN EN ISO 4945 (2010-03), IDT * DIN EN ISO 4945 (2009-06), IDT * BS EN ISO 4945 (2010-04-30), IDT * BS 6200-3.22.2 (1985-02-28), IDT * EN ISO 4945 (2009-10), IDT * FprEN ISO 4945 (2009-06), IDT * NF A06-323 (1972-02-01), IDT * NF A06-323 (1987-09-01), NEQ * NF A06-555 (2010-01-01), IDT * A06-555PR, IDT * SN EN ISO 4945 (2010-03), IDT * OENORM EN ISO 4945 (2010-03-01), IDT * OENORM EN ISO 4945 (2009-07-01), IDT * PN-EN ISO 4945 (2009-12-28), IDT * SS-EN ISO 4945 (2009-11-02), IDT * SS-EN 10179 (1989-06-07), IDT * UNE 36317-1 (1985-05-15), IDT * UNE-EN ISO 4945 (2010-02-24), IDT * GOST 12359 (1999), IDT * TS 7148 (1989-05-11), IDT * TS 7148 EN ISO 4945 (2003-04-29), IDT * DS/ISO 4945 (1979), IDT * NEN-ISO 4945 (1978), IDT * UNI EN ISO 4945:2009 (2009-12-10), IDT * STN EN ISO 4945 (2010-04-01), IDT * CSN EN ISO 4945 (2010-09-01), IDT * DS/EN ISO 4945 (2009-11-27), IDT * DS/ISO 4945 (1979-01-01), IDT * NEN-EN-ISO 4945:2009 en (2009-11-01), IDT * NEN-ISO 4945:1978 en (1978-09-01), IDT
Từ khóa
Chemical analysis and testing * Determination of content * Nitrogen * Nitrogen content * Photometry * Photometry (chemical analysis) * Spectrophotometry * Steels