ϴĻҪ
ˮˮ|(zh)
ϴ섩ʹ^жcˮˮ|(zh)Qʹîa(chn)Ʒͺͮa(chn)ƷʹúЧھƵϴ·ϴNrͬϴ섩Ǟ_A(y)ڵϴЧ˽ˮǘOҪġ
ˮ|(zh)
ˮиNV|(zh)ĝȱʾ106ȺppmÿӁж٣gpg
——ppmӢ——gpg
ɷNӋQǣ17.1ppm=1gpg
ˮӲ
ˮӲȱʾˮ}VxӺĴС
@ɷN}ʽڵͨĵV|(zh)QˮӲγˮҪԭˮ|(zh)һ^ӲʹϴЧ׃ϴ·ϴ^ͬˮӲȕֱӰȥ۹Чδ(jng)̎Ӳˮʹɫl(f)
ϴ·ʹõˮˮ|(zh)Ӳȑ(yng)С68ppm
Ϻ^(q)ԁˮһ≥100ppm
(dng)ϴ·ˮӲȳ^һĘ(bio)(zhn)r(yng)ȡӲˮMxӽQܛ̎ϴrˮ̎턩ķ
ˮӲȵȼʾ飺
0~4gpg(0~68ppm)--------------------ܛˮ
4~8gpg(68~137ppm)-----------------еӲˮ
8~12gpg(137~205ppm)--------------------Ӳˮ
12~16gpg(205~274ppm)--------------------ӲȺܴˮ
ˮFxӺ
ˮеĸFoϴ·S}eʹò׃S׃һϴ·Ҫˮ|(zh)кF(yng)С01ppm(dng)ˮеF|(zh)01ppnrF|(zh)ϴrڲ@ٌƯ͕pwSһ̎ķв1%40~60̎펧FPIJ5~8^ˡע⣺ò̎IJ(yng)ص^ˮϴtںɻC^ͬӕpġ