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Standards

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Standards

Meeting regulations in any industry, standards are essential for periodically checking the accuracy of equipment pieces. By comparing against the known values, output readings detect errors present and inform personnel adjustments are required. Once the settings of the manual or automatic instruments have returned to zero, the reestablished conditions will yield optimal working performance. Calibrating with concentrated standards eliminates the possibility that environmental changes will induce instrumental miscalculation when accuracy matters most.


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Catalog Number: 77460-670
Supplier: TLC PHARMACEUTICAL STANDARD LTD


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Description:   Standard 3-Methylcholanthrene, Cas number: 56-49-5, Concentration: 2,000 ug/mL in methylene chloride, Minimum shelf life: 3 months, Volume: 1ml/ampule
Catalog Number: 75834-916
Supplier: Restek



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Description:   bis(2-ethylhexyl)phthalate, butyl benzyl phthalate, diethyl phthalate, dimethyl phthalate. di-n-butyl phthalate, di-n-octyl phthalate. 2,000ug/mL ea. in methanol 1mL/ampule.
Catalog Number: RK31031
Supplier: Restek



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Catalog Number: 77451-394
Supplier: TLC PHARMACEUTICAL STANDARD LTD


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Catalog Number: 77474-352
Supplier: TLC PHARMACEUTICAL STANDARD LTD


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Catalog Number: 77453-688
Supplier: TLC PHARMACEUTICAL STANDARD LTD


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Catalog Number: 77452-854
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Catalog Number: 77475-392
Supplier: TLC PHARMACEUTICAL STANDARD LTD


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Catalog Number: 77474-894
Supplier: TLC PHARMACEUTICAL STANDARD LTD


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Description:   Soda-Lime Silica Glass Single
Catalog Number: 102099-024
Supplier: Electron Microscopy Sciences



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Catalog Number: 76544-022
Supplier: Cayman Chemical Company



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Catalog Number: 77459-484
Supplier: TLC PHARMACEUTICAL STANDARD LTD


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Catalog Number: 77475-808
Supplier: TLC PHARMACEUTICAL STANDARD LTD


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Catalog Number: 77453-322
Supplier: TLC PHARMACEUTICAL STANDARD LTD


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Catalog Number: 77476-284
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Catalog Number: 77449-382
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Catalog Number: 77476-356
Supplier: TLC PHARMACEUTICAL STANDARD LTD


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Catalog Number: 77454-646
Supplier: TLC PHARMACEUTICAL STANDARD LTD


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Catalog Number: 77451-210
Supplier: TLC PHARMACEUTICAL STANDARD LTD


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Catalog Number: 77453-432
Supplier: TLC PHARMACEUTICAL STANDARD LTD


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Description:   TO-14A 43 Component Mix (43 components), high-quality air monitoring gas calibration standards, Concentration in Solvent and Volume: 100 ppb in nitrogen, 104 liters at 1,800 psi, Grade: Blend tolerance: +/-10%; Analytical accuracy: +/-10%, Shelf Life: 1 yr, Size: 104L
Catalog Number: 75794-982
Supplier: Restek



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Catalog Number: 76544-138
Supplier: Cayman Chemical Company



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Catalog Number: 77474-444
Supplier: TLC PHARMACEUTICAL STANDARD LTD


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Catalog Number: 77456-582
Supplier: TLC PHARMACEUTICAL STANDARD LTD


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Catalog Number: 77459-492
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Catalog Number: 77452-734
Supplier: TLC PHARMACEUTICAL STANDARD LTD


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Catalog Number: 77474-566
Supplier: TLC PHARMACEUTICAL STANDARD LTD


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Catalog Number: 77456-050
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Catalog Number: 77457-262
Supplier: TLC PHARMACEUTICAL STANDARD LTD


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Catalog Number: 77456-782
Supplier: TLC PHARMACEUTICAL STANDARD LTD


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Description:   Standard Retention Time Marker, (3 components), (C6) n-Hexane, (C10) n-Decane, (C12) n-Dodecane, VOA MIX, Concentration in Solvent: 1, 000 ug/mL each in P and T methanol, Storage: 0 degree C or colder, Volume: 1mL/ampule.
Catalog Number: 75834-396
Supplier: Restek



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Catalog Number: 77451-930
Supplier: TLC PHARMACEUTICAL STANDARD LTD


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