部分标准内容:
2005-11-09
HJ/T196
Vut er qual ity Det erni nati on of Ky el dahl N trogenBy Gas phase nol ecul ar absorption spectronet ry2006-01-01
HU/T196
HU/T196
200ng/L
B11891
α HA) =6nmol / L
α H ) =4. 5mol / L
M(aQ)2
(NaCH)
QzHaQBr2S免费标准bzxz.net
0.020ng/L
HU/T196
0.100mg/L
1000mh
HU/T196
NaNQ2.463g
0.500ng/mh
1000ml
(20.00~g/ l)
502504
( ng/ L)
8.1.22.0ml
(N,m...................
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