250ml 0.791 ±0.026Р200832 10-250ml 6.02 ±0.21Р200833 10-250ml 2.97 ±0.15Р200834 10-250ml 12.2 ±0.9mg/lР汞 202022 10-250ml 13.1 ±1.7Р202024 10-250ml 20.4 ±2.0Р202025 10-250ml 10.3 ±1.3ug/L 202026 10-250ml 4.12 ±0.37ug/L?202027 10-250ml 16.0 ±1.4ug/L 202028 10-250ml 11.4 ±1.1ug/LР202029 10-250ml 20.4 ±1.6ug/LР202032 10-250ml 10.7 ±1.0ug/LР甲醛 204515 10-250ml 0.911 ±0.057Р砷 10052 本身浓度(基体为 1%硝酸) 1000± 1Р200425 10-250ml 0.153± 0.012?200426 10-250ml 0.444± 0.028 200427 10-250ml 50.3± 3.4ug/L 200428 10-250ml 0.202± 0.016?200429 10-250ml 59.9± 4.0ug/L 200430 10-250ml 0.349± 0.025?200431 10-250ml 60.6± 4.2ug/L 200432 10-250ml 25±2.6ug/L 200433 10-250ml 0.152± 0.008 200435 10-250ml 0.226± 0.017РР重金属混标РР200923РР10-250ml(1%硝酸溶液定容) 我司Р仪器需用纯水定容РРCu:1.49 ±0.04Р Pb:1.21 ±0.05РCd:0.105 ±0.004РNi:0.886 0±.036