Zinc element hollow cathode lamp light atomic absorption spectrometer KY-1/KY-2 (all elements,note which element you need)

Zinc element hollow cathode lamp light atomic absorption spectrometer KY-1/KY-2 (all elements,note which element you need)
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sku: 4000009592218
$74.00-1%
$73.50
Shipping from: China
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DIY Supplies: Metalworking
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