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血液中汞检测方案(测汞仪)
Approximately 2700 – 6000 tons of mercury are released into the at
mosphere annually. Once airborne, mercury can travel thousand mile
s from its generation point. Eventually, it precipitates onto the l
and and water. And once it enters water, mercury is transformed by
microorganisms into methylmercury, the most toxic and dangerous for
m of mercury.
Exposure to high dosage of methylmercury can cause tremors, inabili
ty to walk,
convulsions and even death. Children exposed to the mercury show a
variety of
abnormalities such as delayed onset of walking and talking, cerebra
l palsy, and slowed neurological reflexes and learning abilities.
One of the best indicators of exposure to mercury is testing for co
ncentration in hair and blood. The average concentration of mercur
y in non-exposed people is about 8 ppb in blood and 2 ppm in hair
Mercury has traditionally been measured in hair, blood, tissues, an
d urine by CVAAS (Cold Vapor Atomic Absorption Spectrophotometry),
which is a time and labor consuming method that relies on complicat
ed wet chemistry sample preparation.
The DMA-80 Direct Mercury Analyzer from Milestone eliminates the sa
mple
preparation step, allowing you to rapidly process your samples in m
inutes, instead of the hours needed for traditional methods. This r
apid testing (which is as accurate, if not more so, that CVAAS) giv
es you the answers you need without consuming valuable time and eff
ort.
Other benefits include:
Process both liquid and solid samples – no matter how difficult th
e matrix you will get an accurate total mercury reading.
The built-in 40-position autosampler allows unattended operation fo
r a large number of samples
The DMA-80 is portable enough to be stationed where you need it mos
t; in your laboratory, in a portable testing van, etc...
No chemicals are used in the process so no additional toxic wastes
are generated.
Completely compatible with US EPA Method 7473
检测样品：
全血/血清/血浆
检测项：
汞
北京莱伯泰科仪器股份有限公司
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血清中碘检测方案(离子色谱仪)
his paper intreduces a reasonable pretreatment method for IC-amperometric method employed to measuretrace amount of iodine in serum, urine and hair. The resultant graph is simple and clear,and withoutinterference in a general way. The limits of detection for iodine in serum,urine and hair are 0.007,0.003μg/mL and 0. 046μg/g, respectively.The recovery of iodine added into the sample is 82～93%. The coefficient ofvariation is less than 9%. Trace amount of bromine in the sample can also be measured simultan
戴安仪器:DX120
检测样品：
全血/血清/血浆
检测项：
碘
赛默飞色谱与质谱
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仪器信息网行业应用栏目为您提供868篇全血/血清/血浆检测方案，可分别用于生化检验检测、遗传检测，参考标准主要有等