I'm looking for a Hammamatsu or Hitachi (can't remember which) model spectrophotometer able to detect at the pp-billion or even pp-trillion range. An old colleague of mine had one (I saw it), yet now I can't find it, or anything like it...Any help ?
I'm looking for a Hammamatsu or Hitachi (can't remember which) model spectrophotometer able to detect at the pp-billion or even pp-trillion range. An old colleague of mine had one (I saw it), yet now I can't find it, or anything like it...Any help ?
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