CGA2610型原子吸收能夠檢測多種微量金屬元素,包括金、銀、銅、鐵、鈣、鉛、汞、鉻、鎘等多種元素。
Atomic absorption spectrophotometer model CGA2610 can detect various trace metal elements including Au, Ag, Cu, Fe, Ca, Pb, Hg, Cr and Cd etc.
儀器基本參數符合GB/T 6780-93 行業標準規定的原子吸收分光光度計的基本參數。
The basic parameters of this equipment comply with those of atomic absorption spectrophotometer specified in GB/T 6780-93 standard.
一、光學系統
I. Optical System
波長范圍 190-900nm
單色器 消象差C-T型單色器
光譜帶寬 0.2、0.4、1.0、2.0nm四檔自動可選
波長精確度 優于±0.25nm
波長重復性 0.15nm
基線漂移 0.004A/30min
檢測器 高靈敏度、寬光譜范圍光電倍增管
分辨率 光譜帶寬0.2nm時分開錳雙線(279.5nm和279.8nm )且谷峰能量比<20%
Wave length 190-900nm
Monochromator Achromatic C-T monochromator
Spectral bandwidth 0.2, 0.4, 1.0 and 2.0mm auto optional
Wavelength accuracy higher than ±0.25nm
Wavelength repeatability 0.15nm
Baseline drift 0.004A/30min
Detector High-sensitivity photomuitplier with wide spectral range
Resolution Manganese double-line (279.5nm and 279.8nm) separated when spectral bandwidth is 0.2nm; at the same time, the peak-valley ratio <20%
二、原子化系統
II. Atomization System
特征濃度(Cu)0.025ug/ml/1%
檢出限(Cu)0.006ug/ml
燃燒器 100mm金屬鈦燃燒器,空冷預混合型
精密度 RSD≤1%
噴霧器 高效玻璃、全塑、不銹鋼霧化器
霧化室 耐腐蝕材料霧化室
位置調節 火焰燃燒器****高度及前后位置可調,一分鐘完成火焰/氫化物換裝
安全保護 具多種自動安全保護功能,乙炔漏氣報警、關閉系統
Characteristic concentration (Cu)0.025ug/ml/1%
Detection limit (Cu)0.006ug/ml
Burner 100mm Titanium burner, air cooled, premixing
Accuracy RSD≤1%
Atomizer High-efficiency full plastic and stainless steel atomizer
Atomizing chamber Made of corrosion-resistant materials
Position regulation The optimum height and horizontal position of burner are adjustable. Replacement of flame/hydride can be completed within one minute.
Safety protection Multiple automatic safety protection functions; acetylene gas leakage alarm; system shutdown
三、分析方法
III. Analysis Technique
測量方法 空氣-乙炔火焰法,氫化物發生器原子吸收法,富氧-空氣乙炔火焰法
濃度計算方式 標準曲線法(1~3次曲線),自動擬合,標準加入法
重復測量次數 1~20次,計算平均值,自動給出標準偏差和相對標準偏差
結果打印 參數打印,數據結果打印,圖形打印,匯總報告
軟件環境 Windows98/2000/XP
Measurement method: air - acetylene flame method, hydride generation atomic absorption, oxygen-enriched air - acetylene flame method
Concentration calculation method: standard curve method (linear curve, quadratic curve and cubic curve), auto fitting, standard addition
Number of repeated measurements: 1~20; average value calculated; standard deviation and relative standard deviation are given automatically
Result printing: parameter printing; data result printing; graphic printing; summary report
Software environment: Windows98/2000/XP
四、儀器參數
IV. Instrument Parameters
電源 AC220V/50Hz
功率 150W
重量 70kg
體積 1000mm(長)×350mm(寬)×390mm(高)
工作環境溫度 10~35℃
工作環境濕度 ≤80%
Power supply AC220V/50Hz
Power 150W
Weight 70kg
Volume 1000mm(L) ×350mm(W)×390mm(H)
Ambient temperature 10~35℃
Relative humidity ≤80%
五、標準配置
V. Standard Configuration
主機 低噪音無油空氣壓縮機 木箱包裝及運輸
安裝調試三只空心陰極燈 專用氣壓表頭及隨機附件
Host equipment; low-noise oil-free air compressor; packed and transported in wooden case
Three hollow cathode lamps are mounted and debugged; dedicated barometer head and accessories