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试验室CGA2610型原子吸收分光光度计技术参数
Technical Parameters of Laboratory Atomic Absorption Spectrophotometer
CGA2610型原子吸收能够检测多种微量金属元素,包括金、银、铜、铁、钙、铅、汞、铬、镉等多种元素。
Atomic absorption spectrophotometer model CGA2610 can detect various trace metal elements including Au, Ag, Cu, Fe, Ca, Pb, Hg, Cr and Cd etc.
仪器基本参数符合GB/T 6780-93 行业标准规定的原子吸收分光光度计的基本参数。
The basic parameters of this equipment comply with those of atomic absorption spectrophotometer specified in GB/T 6780-93 standard.
一、光学系统
I. Optical System
波长范围 190－900nm
单色器 消象差C－T型单色器
光谱带宽 0.2、0.4、1.0、2.0nm四档自动可选
波长精确度 优于±0.25nm
波长重复性 0.15nm
基线漂移 0.004A/30min
检测器 高灵敏度、宽光谱范围光电倍增管
分辨率 光谱带宽0.2nm时分开锰双线（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、原子化系统
II. Atomization System
特征浓度(Cu)0.025ug/ml/1%
检出限(Cu)0.006ug/ml
燃烧器 100mm金属钛燃烧器，空冷预混合型
精密度 RSD≤1%
喷雾器 高效玻璃、全塑、不锈钢雾化器
雾化室 耐腐蚀材料雾化室
位置调节 火焰燃烧器****高度及前后位置可调，一分钟完成火焰/氢化物换装
安全保护 具多种自动安全保护功能，乙炔漏气报警、关闭系统
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
测量方法 空气－乙炔火焰法，氢化物发生器原子吸收法，富氧－空气乙炔火焰法
浓度计算方式 标准曲线法（1～3次曲线），自动拟合，标准加入法
重复测量次数 1～20次，计算平均值，自动给出标准偏差和相对标准偏差
结果打印 参数打印，数据结果打印，图形打印，汇总报告
软件环境 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、仪器参数
IV. Instrument Parameters
电源 AC220V/50Hz
功率 150W
重量 70kg
体积 1000mm（长）×350mm（宽）×390mm（高）
工作环境温度 10～35℃
工作环境湿度 ≤80%
Power supply AC220V/50Hz
Power 150W
Weight 70kg
Volume 1000mm(L) ×350mm(W)×390mm(H)
Ambient temperature 10～35℃
Relative humidity ≤80%
五、标准配置
V. Standard Configuration
主机 低噪音无油空气压缩机 木箱包装及运输
安装调试三只空心阴极灯 专用气压表头及随机附件
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
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