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SPECIFIC SCALES ON IDP FOR AIR:
Measuring tube must be in Polysulfon
Graduated scales: HCl 30 – 33%:
Measuring tube may be in PVC or Polysulfon
Graduated scales: NaOH 30%:
Measuring tube must be in Polysulfon
Graduated scales: NaOH 50%:
Measuring tube must be in Polysulfon
