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trans-Quercus lactone
analytical standard
Code: Supelco
- Manufacturer: Merck
- Trademark: Supelco
- Hãng sản xuất: Merck
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Pharmaceutical Secondary Standard; Certified Reference Material1 g – PHR1005-1G
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Buffer solution
(boric acid/potassium chloride/sodium hydroxide), traceable to SRM from NIST and PTB pH 9.00 (20°C) Certipur®1 L – 1094611000
4 L – 1094614000
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F.A.M.E. Mix, C4-C24
certified reference material, wt. % (varied)
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0.1%, Certified Reference Material for coulometric Karl Fischer Titration 1 g ≙ 1 mg H₂O Aquastar®10 x 8 ml – amp 1880510010
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Formaldehyde-DNPH solution
certified reference material, TraceCERT®, 100 μg/mL in acetonitrile (as aldehyde), ampule of 1 mL
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traceable to SRM from NIST Fe(NO3)3 in HNO3 0.5 mol/l 1000 mg/l Fe Certipur®100 mL- 1197810100
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certified reference material, 50 mg/mL in dichloromethane, ampule of 1 Ml
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certified reference material, TraceCERT®, in dichloromethane (varied conc.), ampule of 1 Ml
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Buffer solution
(citric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 4.00 (20°C) Certipur®
1- L 1094351000
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- Manufacturer: Merck
- Trademark: Supelco
Kiểm tra giá trans-Quercus lactone
trans-Quercus lactone
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