Water quality. Determination of calcium and magnesium. Atomic absorption spectrometric method
水质 钙和镁的测定 原子吸收光谱法
1987-06-30
KS I ISO 7980
수질 — 칼슘 및 마그네슘 측정방법 — 원자 흡수 분광 광도 분석 방법
水质钙、镁的测定原子吸收光谱法
2023-07-14
ISO 7980-1986
Water quality — Determination of calcium and magnesium — Atomic absorption spectrometric method
水质与灰分;钙和镁的测定——原子吸收光谱法
1986-05-01
UNE-EN ISO 7980-2000
WATER QUALITY. DETERMINATION OF CALCIUM AND MAGNESIUM. ATOMIC ABSORPTION SPECTROMETRIC METHOD. (ISO 7980:1986)
水质 钙和镁的测定 原子吸收光谱法 (ISO 7980-1986)
2000-11-15
GB/T 14636-2021
工业循环冷却水及水垢中钙、镁的测定 原子吸收光谱法
Determination of calcium and magnesium in industrial circulating cooling water and scale—Atomic absorption spectrometric method
2021-08-20
DIN EN ISO 7980
Water quality - Determination of calcium and magnesium - Atomic absorption spectrometric method (ISO 7980:1986); English version of DIN EN ISO 7980
水质.钙和镁的测定.原子吸收光谱测定法(ISO 7980-1986);德文版EN ISO 7980:2000