quality standard:HG/T 4509-2013
Molecular Formula:HF Molecular Weight:20.01 | |||||
Item |
Index |
||||
EI |
UP |
UP-S |
UP-SS |
||
HF w/% |
49.0±0.5 |
49.0±0.5 |
49.0±0.2 |
49.0±0.2 |
|
H2SiF6 w/(mg/kg) ≤ |
50 |
50 |
30 |
30 |
|
CL w/(mg/kg) ≤ |
5 |
5 |
0.2 |
0.05 |
|
NO3 w/(mg/kg) ≤ |
3 |
3 |
0.1 |
0.05 |
|
PO4 w/(mg/kg) ≤ |
1 |
1 |
0.1 |
0.05 |
|
SO4 w/(mg/kg) ≤ |
5 |
5 |
0.2 |
0.05 |
|
AL w/(μg/kg) ≤ |
100 |
10 |
1 |
0.1 |
|
As w/(μg/kg) ≤ |
200 |
10 |
1 |
0.1 |
|
B w/(μg/kg) ≤ |
100 |
10 |
1 |
0.1 |
|
BA w/(μg/kg) ≤ |
100 |
10 |
1 |
0.1 |
|
CA w/(μg/kg) ≤ |
100 |
10 |
1 |
0.1 |
|
CD w/(μg/kg) ≤ |
50 |
10 |
1 |
0.1 |
|
CR w/(μg/kg) ≤ |
20 |
10 |
1 |
0.1 |
|
CU w/(μg/kg) ≤ |
20 |
10 |
1 |
0.1 |
|
FE w/(μg/kg) ≤ |
100 |
10 |
1 |
0.1 |
|
K w/(μg/kg) ≤ |
100 |
10 |
1 |
0.1 |
|
LI w/(μg/kg) ≤ |
20 |
10 |
1 |
0.1 |
|
MG w/(μg/kg) ≤ |
100 |
10 |
1 |
0.1 |
|
MN w/(μg/kg) ≤ |
50 |
10 |
1 |
0.1 |
|
NA w/(μg/kg) ≤ |
100 |
10 |
1 |
0.1 |
|
NI w/(μg/kg) ≤ |
50 |
10 |
1 |
0.1 |
|
PB w/(μg/kg) ≤ |
50 |
10 |
1 |
0.1 |
|
TI w/(μg/kg) ≤ |
100 |
10 |
1 |
0.1 |
|
SB w/(μg/kg) ≤ |
50 |
10 |
1 |
0.1 |
|
SN w/(μg/kg) ≤ |
20 |
10 |
1 |
0.1 |
|
ZN w/(μg/kg) ≤ |
50 |
10 |
1 |
0.1 |
|
Particle |
(≥1.0μm)/(p/mL) ≤ |
25 |
- |
- |
- |
(≥0.5μm)/(p/mL) ≤ |
- |
25 |
5 |
- |
|
(≥0.2μm)/(p/mL) ≤ |
- |
- |
- |
20 |
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