CGA2610型原子吸收能夠檢測(cè)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(shù)符合GB/T 6780-93 行業(yè)標(biāo)準(zhǔn)規(guī)定的原子吸收分光光度計(jì)的基本參數(shù)。

The basic parameters of this equipment comply with those of atomic absorption spectrophotometer specified in GB/T 6780-93 standard.

一、光學(xué)系統(tǒng)

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(dòng)可選
波長精確度 優(yōu)于±0.25nm
波長重復(fù)性 0.15nm
基線漂移 0.004A/30min
檢測(cè)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(shí)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(tǒng)

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(yù)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(diào)節(jié) 火焰燃燒器****高度及前后位置可調(diào)，一分鐘完成火焰/氫化物換裝
安全保護(hù) 具多種自動(dòng)安全保護(hù)功能，乙炔漏氣報(bào)警、關(guān)閉系統(tǒng)

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(cè)量方法 空氣－乙炔火焰法，氫化物發(fā)生器原子吸收法，富氧－空氣乙炔火焰法
濃度計(jì)算方式 標(biāo)準(zhǔn)曲線法（1～3次曲線），自動(dòng)擬合，標(biāo)準(zhǔn)加入法
重復(fù)測(cè)量次數(shù) 1～20次，計(jì)算平均值，自動(dòng)給出標(biāo)準(zhǔn)偏差和相對(duì)標(biāo)準(zhǔn)偏差
結(jié)果打印 參數(shù)打印，數(shù)據(jù)結(jié)果打印，圖形打印，匯總報(bào)告
軟件環(huán)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(shù)

IV. Instrument Parameters

電源 AC220V/50Hz
功率 150W
重量 70kg
體積 1000mm（長）×350mm（寬）×390mm（高）
工作環(huán)境溫度 10～35℃
工作環(huán)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(biāo)準(zhǔn)配置

V. Standard Configuration

主機(jī) 低噪音無油空氣壓縮機(jī) 木箱包裝及運(yùn)輸
安裝調(diào)試三只空心陰極燈 專用氣壓表頭及隨機(jī)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