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Polysulfide in light mineral oil
0.0010% (10 ppm), certified reference material (UKAS ISO 17025 & ISO 17034 certified)
0.0025% (25 ppm), certified reference material (UKAS ISO 17025 & ISO 17034 certified)
Folin & Ciocalteu′s phenol reagent
2 M (with respect to acid)
Total Protein Kit, Micro-Lowry, Onishi & Barr Modification
sufficient for ~50 manual assays
suitable for determination of total protein by Lowry method, 2 N
protein detection level 150-1,000 μg/mL
certified reference material (UKAS ISO 17025 & ISO 17034 certified)
limited shelf life, expiry date on the label
Paragon Scientific Ltd
0.0005% (5 ppm)
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10 - Combustible liquids
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