NS EN ISO 7980 Ed. 1 (2000)现行
Water Quality - Determination Of Calcium And Magnesium - Atomic Absorption Spectrometric Method
出版：Norwegian Standards (Norges Standardiseringsforbund)
专家解读视频
Defines a method to determine dissolved magnesium and calcium by flame atomic absorption spectometry. Suited to the analysis of raw and drinking waters and can be used for waters containing not more than 5 mg/l magnesium, and 50 mg/l calcium. A smaller volume of the sample must be taken for analysis if it contains higher concentrations of magnesium or calcium.
NEN EN ISO 7980:2000 - Identical
SS EN ISO 7980 Ed. 1 (2000) - Identical
ISO 7980:1986 - Identical
UNE EN ISO 7980:2000 - Identical
I.S. EN ISO 7980:2000 - Identical
UNI EN ISO 7980:2002 - Identical
NF EN ISO 7980:2000 - Identical
NBN EN ISO 7980:2000 - Identical
ONORM EN ISO 7980:2000 - Identical
DIN EN ISO 7980 (2000-07) - Identical
BS EN ISO 7980:2000 - Identical
SN EN ISO 7980:2000 - Identical
