GFS Chemicals
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GFS Chemicals is a Columbus, OH, USA based manufacturer of specialty and fine chemicals serving customers worldwide since 1928. As an ISO 9001-2015 certified manufacturer, GFS’ capability to produce specialty alkynes and olefins, pharmaceutical building blocks, trace metal salts and solutions, low moisture/anhydrous salts, and specialty rare earth salts and solutions makes GFS a preferred partner for organizations across an array of industries – including: pharmaceutical, electronics, energy, flavors & fragrances, agrichemicals, and specialty polymers.
Buffer Solution, Item # 1634, pH 4.00, (Color Coded Red), NIST Traceable
Buffer solution with a pH of 3.98 to 4.02 @ 25°C. GFS Chemicals Item # 1634.
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5 variations |
1 to 2 Weeks
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Buffer Solution, Item # 681, pH 7.00, (Clear), NIST Traceable
Buffer solution with a pH of 6.98 to 7.02 @ 25°C. GFS Chemicals Item # 681.
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5 variations |
1 to 2 Weeks
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Buffer Solution, Item # 1639, pH 7.00, (Color Coded Yellow), NIST Traceable
Buffer solution with a pH of 6.98 to 7.02 @ 25°C. GFS Chemicals Item # 1639.
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5 variations |
1 to 2 Weeks
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Buffer Solution, Item # 1645, pH 10.00, (Color Coded Blue), NIST Traceable
Buffer solution with a pH of 9.98 to 10.02 @ 25°C. GFS Chemicals Item # 1645.
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5 variations |
1 to 2 Weeks
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Buffer Solution, Item # 1640, pH 7.00, (Color Coded Green), NIST Traceable
Buffer solution with a pH of 6.98 to 7.02 @ 25°C. GFS Chemicals Item # 1640.
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5 variations |
1 to 2 Weeks
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Benzoic Acid, ACS Reagent Grade, Min. 99.5%
Benzoic Acid (C6H5COOH), crystalline form. GFS Item # 673, CAS No. 65-85-0
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4 variations |
1 to 2 Weeks
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Imidazole, ACS Reagent Grade, Min. 99.0%
Imidazole (C3H4N2), crystalline form. GFS Item # 1973, CAS No. 288-32-4
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4 variations |
1 to 2 Weeks
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Watermark Karl Fischer Water Check Standard, 0.10 mg/mL (100 ppm)
Water check standard for coulometric Karl Fischer titration instruments, with certificate, 0.01%.
SKU | PSC-47-01128 |
MPN | 99893 |
1 to 2 Business Days
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Watermark Oil Titration Reagent Kit for Coulometric Karl Fischer, Two-Component
Reagents (solution pack) for oil titration via coulometric Karl Fischer.
SKU | PSC-47-03899 |
MPN | 19026 |
In Stock
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Watermark Karl Fischer Solvent for Oils, Item #2978, for One-Component Systems
For volumetric analysis. To be used with KF Titrants 1600, 1601. For determination of water in oils or other non-polar compounds.
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4 variations |
1 to 2 Weeks
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Watermark Karl Fischer Reagent, Item #1600, Pyridine-Free, 5 mg/mL, Single Solution
For volumetric analysis. Suitable for general purpose or aldehydes and ketones.
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8 variations |
1 to 2 Weeks
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Watermark Karl Fischer Water Check Standard, 2.0 mg/mL (2000 ppm)
Water check standard for coulometric Karl Fischer titration instruments, with certificate, 0.2%.
SKU | PSC-47-10254 |
MPN | 25762 |
2 to 3 Weeks
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Watermark Karl Fischer Water Check Standard, 0.50 mg/g (500 ppm)
Water check standard for coulometric Karl Fischer titration instruments, with certificate, 0.05%.
SKU | PSC-47-10250 |
MPN | 98962 |
2 to 3 Weeks
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Watermark Karl Fischer Water Check Standard, 5.0 mg/mL (5000 ppm)
Water check standard for coulometric Karl Fischer titration instruments, with certificate, 0.5%.
SKU | PSC-47-10253 |
MPN | 99753 |
2 to 3 Weeks
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Watermark Karl Fischer Water Check Standard, 1.0 mg/g (1000 ppm)
Water check standard for coulometric Karl Fischer titration instruments, with certificate, 0.1%.
SKU | PSC-47-10251 |
MPN | 99862 |
2 to 3 Weeks
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Watermark Karl Fischer Water Check Standard, 10.0 mg/mL (10000 ppm)
Water check standard for coulometric Karl Fischer titration instruments, with certificate, 1.0%.
SKU | PSC-47-10252 |
MPN | 99888 |
2 to 3 Weeks
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Watermark Karl Fischer Water Check Standard, 0.05 mg/g (50 ppm)
Water check standard for coulometric Karl Fischer titration instruments, with certificate, 0.005%.
SKU | PSC-47-10260 |
MPN | 98981 |
2 to 3 Weeks
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Watermark Karl Fischer Water Check Standard, 0.10 mg/g (100 ppm)
Water check standard for coulometric Karl Fischer titration instruments, with certificate, 0.01%.
SKU | PSC-47-10259 |
MPN | 99842 |
2 to 3 Weeks
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Watermark Karl Fischer Water Check Standard, 1.0 mg/mL (1000 ppm)
Water check standard for coulometric Karl Fischer titration instruments, with certificate, 0.1%.
SKU | PSC-47-10258 |
MPN | 99733 |
2 to 3 Weeks
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Watermark Karl Fischer Water Check Standard, 10.0 mg/g (10000 ppm)
Water check standard for coulometric Karl Fischer titration instruments, with certificate, 1.0%.
SKU | PSC-47-10257 |
MPN | 99881 |
2 to 3 Weeks
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Watermark Karl Fischer Water Check Standard, 5.0 mg/g (5000 ppm)
Water check standard for coulometric Karl Fischer titration instruments, with certificate, 0.5%.
SKU | PSC-47-10256 |
MPN | 98992 |
2 to 3 Weeks
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Watermark Karl Fischer Coulometric Reagent, Item #1671, Vessel Solution, Diaphragmless, Chloroform-Free
Pyridine and chlorocarbon free vessel solution for coulometers without diaphragm.
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4 variations |
3 to 5 Business Days
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