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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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Description:   Internal Standard 1,4-Dinitrobenzene, CAS number: 100-25-4, Purity: 99%, Concentration: 2,000 ug/mL, Solvent: acetonitrile, Volume: 1 mL/ampul, Shelf Life: 6 months, Storage: 10 deg C
Catalog Number: 75835-174
Supplier: Restek



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Catalog Number: 77457-956
Supplier: TLC PHARMACEUTICAL STANDARD LTD


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Catalog Number: 77459-850
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Catalog Number: 77450-130
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Catalog Number: 77458-942
Supplier: TLC PHARMACEUTICAL STANDARD LTD


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Description:   Calibration standard Cyclohexane, USB stock solution, CAS no:110-82-7, Concentration: 19.4 mg/mL in dimethyl sulfoxide, Storage: 0 deg C or colder, Shelf Life: 6 months, Volume: 1 mL/ampule
Catalog Number: 75835-476
Supplier: Restek



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Catalog Number: 77453-556
Supplier: TLC PHARMACEUTICAL STANDARD LTD


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Catalog Number: 77454-878
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Catalog Number: 77459-148
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Catalog Number: 77459-726
Supplier: TLC PHARMACEUTICAL STANDARD LTD


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Description:   Osmium Grain
Catalog Number: 100495-198
Supplier: Electron Microscopy Sciences


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Catalog Number: 77460-522
Supplier: TLC PHARMACEUTICAL STANDARD LTD


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Catalog Number: 76544-036
Supplier: Cayman Chemical Company



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Catalog Number: 77449-572
Supplier: TLC PHARMACEUTICAL STANDARD LTD


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Catalog Number: 76544-628
Supplier: Cayman Chemical Company



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Catalog Number: 77450-260
Supplier: TLC PHARMACEUTICAL STANDARD LTD


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Catalog Number: 77459-128
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Catalog Number: 77460-144
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Catalog Number: 77475-000
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Catalog Number: 77460-154
Supplier: TLC PHARMACEUTICAL STANDARD LTD


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Description:   Standard 2,2',5,5'-Tetrachlorobiphenyl (BZ no. 52), CAS number: 35693-99-3, Purity: 98%, Concentration: 50 ug/mL, Solvent: acetonitrile, Volume: 5 mL/ampul, Shelf Life: 6 months, Storage: 10 deg C
Catalog Number: 75835-196
Supplier: Restek



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Description:   Scott/Air Liquide Transportable Pure Gases and Mixtures, Air, zero, Shelf Life: 3 yr, Grade: THC < 1 ppm, from pure gases for purging or calibrating to multicomponent mixes, Pressure: 240 psig (17 bar), Dimensions: 7.6 x 28 cm, Size: 14L
Catalog Number: 75795-192
Supplier: Restek



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Catalog Number: 77458-808
Supplier: TLC PHARMACEUTICAL STANDARD LTD


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