GB/T 7999-2015 (English Version) PDF

Standard No.: GB/T 7999-2015
Language: Chinese, Available in English version
Release Date: 2015
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 7999-2015
Replace: GB/T 7999-2007

Scope: This standard specifies the photoelectric direct reading emission spectroscopic analysis method for alloy elements and impurities in aluminum and aluminum alloys. This standard applies to antimony, arsenic, barium, beryllium, bismuth, boron, cadmium, calcium, cerium, chromium, copper, gallium, iron, lead, lithium, magnesium, manganese, nickel, phosphorus, scandium, silicon in aluminum and aluminum alloys Simultaneous determination of 28 elements, sodium, strontium, tin, titanium, vanadium, zinc and zirconium, the determination range is shown in Table 1.

GB/T 7999-2015 Referenced Document

GB/T 17432 Methods for sampling for analyzing the chemical composition of wrought aluminum and aluminum alloys
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values

2015 GB/T 7999-2015 Optical emission spectrometric analysis method of aluminum and aluminum alloys
2007 GB/T 7999-2007 Optical emission spectrometric analysis method of aluminum and aluminum alloys
2000 GB/T 7999-2000 Standard method for direct reading spectromertric analysis of aluminum and its alloys