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Standards


7,069  results were found
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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Supplier:  Ricca Chemical
Description:   445 uS/cm (445 umho/cm) at 25°C, 213 ppm as NaCl. Poly bottle. 500mL
MSDS SDS
Small Business Enterprise
Supplier:  Ricca Chemical
Description:   POT. DICHROMATE 1.8 AU @ 280NM
MSDS SDS
Small Business Enterprise
Catalog Number: (TCS0283-5ML)

Supplier:  TCI America
Description:   , 1120-21-4, C11H24, 156.31
MSDS SDS
Supplier:  Ricca Chemical
Description:   HYDRAZINE STD. 1 = 0.1
MSDS SDS
Small Business Enterprise

Supplier:  Hach
Description:   For hardness determination by buret titration
Product available on GSA Advantage®
Supplier:  Ricca Chemical
Description:   EP Reference Solution GY4, Greenish-Yellow Reference Solution
Supplier:  Ricca Chemical
Description:   APHA / Hazen (Platinum-Cobalt), Color = 250 units. ASTM, ACS. Stock platinum-cobalt formula. Amber glass bottle. 500mL.
MSDS SDS
Small Business Enterprise

Supplier:  Hach
Description:   For accuracy checks in Biochemical Oxygen Demand (BOD) determinations
Product available on GSA Advantage®
Catalog Number: (TCS0295-001G)

Supplier:  TCI America
Description:   , 638-67-5, C23H48, 324.64
MSDS SDS

Supplier:  PERKINELMER U.S. LLC
Description:   Set of reference materials to verify the ordinate and abscissa/wavelength accuracy of UV/Vis and UV/Vis/NIR Spectrometers.
Catalog Number: (76196-690)

Supplier:  Enzo Life Sciences
Description:   Histamine Controls for use with Histamine ELISA Kit.

Supplier:  Enzo Life Sciences
Description:   25(OH) Vitamin D Controls for use with 25(OH) Vitamin D ELISA Kit.
Supplier:  Thermo Scientific Chemicals
Description:   Physical Form: Liquid
MDL No.: MFCD00804270
MSDS SDS
Supplier:  Thermo Scientific Chemicals
Description:   Physical Form: Liquid
MDL No.: MFCD00804270
MSDS SDS
Supplier:  TCI America
Description:   Product Categories: Analytical Science, Standard Materials for GC
MSDS SDS
Supplier:  TCI America
Description:   Form: Liquid
MSDS SDS
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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
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