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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