试验室CGA2610型原子吸收分光光度计技术参数

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