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Buffers and Standards

Buffers and Standards

Hydrogen ion buffers comprising a mixture of a weak acid and its conjugate base or vice-versa and used to stabilize pH; also diluents, washing solutions, and standard-value solutions used for a broad array of scientific calibration purposes.

The buffers used to calibrate pH meters may be certified and/or traceable to the National Institute of Standards and Technology (NIST). These buffers may also be color-coded for easy identification:

  • Red: pH 4.0
  • Yellow: pH 7.0
  • Blue: pH 10.0

 

Chromatography Standards (1)
Spectroscopy Standards (16)
Life Science Buffers (1)

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honeywell inorganics

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  • (14)
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1

Cobalt ICP Standard, Fluka™

Certified Reference Material, 10,000 mg/L Co in HNO3 5%

2

Indium AAS Standard, Fluka™

Certified Reference Material, 1000 mg/L In in HNO3 2%

3

Mixed Calibration Standard for ICP, Fluka™

Certified Reference Material, 50 mg/L each of As, K, 10 mg/L each of La, Li, Mn, Ni, Sr, Zn, 1 mg/L each of Ba, Mg in HNO3 2%

4

Instrument Calibration Standard 4 for ICP and HGA elements, Fluka™

Certified Reference Material, 100 mg/L each of As, Tl, 50 mg/L each of Cd, Se, 30 mg/L Pb in HNO3 5%

5

Selenium AAS Standard, Fluka™

Certified Reference Material, 1000 mg/L Se in HNO3 2%

Boiling Point 684.9°C
CAS 7783-00-8
pH <2
Packaging Plastic Bottle
Chemical Name or Material Selenium AAS Standard
Grade AAS
Melting Point 70°C (Decomposition)
6

Mercury ICP Standard, Fluka™

Certified Reference Material, 10,000 mg/L Hg in HNO3 10%

8

Cadmium AAS Standard, Fluka™

Certified Reference Material, 1000 mg/L Cd in HNO3 2%

9

Mercury AAS Standard, Fluka™

Certified Reference Material, 1000 mg/L Hg in HNO3 10%

10

Nickel AAS Standard, Fluka™

Certified Reference Material, 1000 mg/L Ni in HNO3 2%

CAS 13138-45-9
pH <2
Packaging Plastic Bottle
Chemical Name or Material Nickel AAS Standard
Grade AAS
12

Magnesium Standard for Ion Chromatography, Fluka™

Certified Reference Material, 1000 mg/L in water

13

Lead AAS Standard, Fluka™

Certified Reference Material, 1000 mg/L Pb in HNO3 2%

14

Yttrium AAS Standard, Fluka™

Certified Reference Material, 1000 mg/L Y in HNO3 2%

15

Iron AAS Standard, Fluka™

Certified Reference Material, 1000 mg/L Fe in HNO3 2%