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25 40-mL borosilie glass vial (or Teflon) Pass sample through a GF/Fc. Freeze filtrate until analysis. 28 days Total dissolved phosphorus and nitrogen 20 125-mL polyethylene bottle or 30- mL borosilie glass test tube Pass sample through a GF/F. Freeze filtrate until analysis. 28 days Particulate organic carbon and nitrogen 10 – 500 (500)
gc ms vials for sale GC systems Manufacturer Part No. gc ms vials price CrossLab Part No. Non-stick fluoroelastomer O-ring 10/pk N9302783 8010-0401 Non-stick fluoroelastomer O-ring, PSS Injector 10/pk N6101747 8003-0202 Silicone O-ring 10/pk N6101374 8003-0203 1/16 0.5 0.32 1
1.7 Experimental First, the synthesised amphetamines were analysed by gas chromatography – mass spectrometry (GC-MS) to identify the synthesis products, intermediates and by-products. It is self-evident that amphetamine synthesis produces numerous products that cannot all be identified.
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Material Information TitleThe effect of structural characteristics of humic substances on disinfection by-product formation CreatorWu, Wells Wei-Shi, 1965-
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GC–MS chromatograms of newly prepared (day 0) stock solution and stock solutions stored for 8 weeks at four different conditions. DBA and TBE represent peaks produced by dibromoacetaldehyde and
All tubes are constructed from borosilie glass with 0.5" O.D. tube ends for mating with standard 1/2" fittings. Desorption Tube Fittings Fittings to connect our 1/4" O.D. GLT desorption tubes to
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these vials are asseled with the following materialsType 1 borosilie glass, PTFE/silicone septa, and a polypropylene cap. The vials are available in either clear or aer glass. All of the vials are packaged with an open top cap and a tan/white PTFE/silicone septa.
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The present invention is based, at least in part, on the identifiion of a pharmaceutical container formed, at least in part, of a glass composition which exhibits a reduced propensity to delaminate, i.e., a reduced propensity to shed glass particulates. As a result, the presently claimed containers are particularly suited for storage of pharmaceutical compositions and, specifically, a
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DescriptionThese headspace vials are manufactured from Type I borosilie glass, which meets all USP, JP, and EP Pharmacopeia requirements. ,10140-078PK,97019-614PK,75835-986PK,97019-612PK,10140-076PK,10136-816PK,10132-954EA
All tubes are constructed from borosilie glass with 0.5" O.D. tube ends for mating with standard 1/2" fittings. The tubes incorporate a foam breaker usable for the purging of foaming samples. Two sizes of tubes are available. The 5.0 mL glass tubes are 5.75 inches long with a 1.0 inch diameter foam breaker.
Feb 01, 2004· MS fragmentation data (determined by averaging of 4–6 scans around the GC peak maximum) and RI on two stationary phases (three GC columns total) are summarized in Table 2. When using the relatively unpolar methylsilicone column phases, hydrocarbon SQT (C 15 H 24 ) RI lie within the range of 1325–1500, and the more polar and less volatile
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