sigma甲醇Methanol494437
sigma甲醇Methanol
产品型号：494437
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sigma甲醇Methanolgrade BioReagent vapor density 1.11 (vs air) vapor pressure 410 mmHg ( 50 °C) 97.68 mmHg ( 20 °C) assay ≥99.93% autoignition temp. 725 °F expl. lim.
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sigma甲醇Methanol
T_E_S_T________________________________________Sp_e_c_if_ic_at_io_n______________________Appearance （Color） ColorlessAppearance （Form） LiquidInfrared spectrum Conforms to StructureColor Test <_ 10 APHAUV Absorbance 400nm <_ 0.01UV Absorbance 260nm <_ 0.01UV Absorbance 240nm <_ 0.05UV Absorbance 230nm <_ 0.15UV Absorbance 220nm <_ 0.30UV Absorbance 210nm <_ 0.60UV Absorbance 203nm <_ 1.0Purity （GC） >_ 99.925 %Water （by Karl Fischer） <_ 0.02 %Residue on Evaporation <_ 0.0003 %Suitability SuitableSuitable for Use as a Protein Sequencing ReagentTitrable Acid （meq/g） <_ 0.0003Titrable Base （meq/g） <_ 0.0002Specification: PRD.2.ZQ5.10000005439Sigma-Aldrich warrants, that at the time of the quality release or subsequent retest date this product conformed to the information contained inthis publication. The current Specification sheet may be available at Sigma-Aldrich.com. For further inquiries, please contact Technical Service.Purchaser must determine the suitability of the product for its particular use. See reverse side of invoice or packing slip for additional termsand conditions of sale
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