產品簡介
固體樣品中汞檢測范圍:0.5mkg/kg(0.5ppb) - 0.5mg/kg(0.5ppm) 2.一個樣品測量時間:50-70秒 3.可取樣品量:10-300mg 4.基線信號測定值標準偏差:2ng/m3 5.PYRO-915附件 外形尺寸:350х300х150mm 重量:5kg
產品詳細信息
RA-915+塞曼效應汞分析儀的工作原理是在原子吸收光譜法基礎上增加了幾項現代化和技術‘’
賽曼效應高頻調制偏振光技術(Zeeman Atomic Absorption Spectrometry using
High Frequency Modulation of Light Polarization ZAAS-HFM),使用光程為10m 多光路樣品池(PYRO-915 使用光程為40cm的樣品池
專有技術,同位素汞燈,在線實時檢測技術。
PYRO-915是新型開發的熱解附件裝置,跟RA-915+塞曼效應汞分析儀配套使用。
食品分析
分析對象..........樣品量......檢測下限
...................mg.........mkg/kg(ppb)
新鮮魚............300.........0.5
糧食..............300.........0.5
奶酪..............120..........2
香腸..............300.........0.5
茶葉..............100..........2
白砂糖............40...........5
巧克力............100..........2
新鮮水果..........500.........0.3
美國標準物質檢測報告
Reference material....Мass, mg ...Measured value, ppb ..Certificate value, ppbDeviation, %
NIST 1630a (Coal)..........60...............92.........................105±23........................-9
...........................................140...............99
DOLT-2 (Fish liver)........50............ 2070........................2140±240.......................-8
...........................................110.............1860
IAEA 140 (Sea plant).......80...............32..........................29±7..........................0
............................................170.............. 28
BCR-184(Beef)..............29...............2.3........................2.6±0.6........................0
.............................................59..............2.5
............................................100..............3.1