We supply a full range of high-purity and certified standard substances for scientific research, industrial quality control and routine laboratory analysis. Our product portfolio includes elemental standards, buffer solutions, titration solutions, organic reference materials, VOCs standards, indicators and testing reagents. All standard substances are strictly calibrated, with traceable values, stable batch consistency and complete certification documents. Widely applied in pharmaceutical, food, environmental, water quality, soil, agricultural and biochemical testing fields. We provide reliable reference materials to ensure accurate, repeatable and compliant experimental results for global laboratories and manufacturers.
Standard substance
Showing 5026–5050 of 16835 results
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Copper Quality Control Sample In Filter Membrane | 3 components | 3 box/set | Environmental Monitoring Standard Material
Add to cartCopper quality control sample in filter membrane with concentration 3 components, volume 3 box/set ideal for chemical titration and analysis ensuring high precision and reliable results
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Copper Quinolinate Solution In Methanol | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartCopper quinolinate solution in methanol with concentration 100ug/ml, volume 1.2ml (cas: 10380-28-6) ideal for chemical titration and analysis ensuring high precision and reliable results
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Copper Single Element Solution | 1000ug/mL | 20mL | Water Quality Analysis Standard Material
Add to cartCopper single element solution with concentration 1000ug/ml, volume 20ml (cas: 7440-50-8) ideal for chemical titration and analysis ensuring high precision and reliable results
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Copper Single Element Solution | 100ug/mL | 20mL | Water Quality Analysis Standard Material
Add to cartCopper single element solution with concentration 100ug/ml, volume 20ml (cas: 7440-50-8) ideal for chemical titration and analysis ensuring high precision and reliable results
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Copper Sulfate Solution (set Of Standard) | 5 components | 20mL*5ƿ | Environmental Monitoring Standard Material
Add to cartCopper sulfate solution (set of standard) with concentration 5 components, volume 20ml*5ƿ ideal for chemical titration and analysis ensuring high precision and reliable results
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Copper Sulfate Solution | 10%(w/v) | 100mL | Environmental Monitoring Standard Material
Add to cartCopper sulfate solution with concentration 10%(w/v), volume 100ml (cas: 7758-99-8) ideal for chemical titration and analysis ensuring high precision and reliable results
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Copper Sulfate Solution | 200g/L | 500mL | Environmental Monitoring Standard Material
Add to cartCopper sulfate solution with concentration 200g/l, volume 500ml (cas: 7758-98-7) ideal for chemical titration and analysis ensuring high precision and reliable results
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Copper Sulfate Solution For Colorimetric Use | 62.4mg/mL | 100mL | Environmental Monitoring Standard Material
Add to cartCopper sulfate solution for colorimetric use with concentration 62.4mg/ml, volume 100ml (cas: 7758-98-7) ideal for chemical titration and analysis ensuring high precision and reliable results
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Copper Sulfate Titration Solution | 0.01003mol/L | 500mL | Instrument Calibration Standard Material
Add to cartCopper sulfate titration solution with concentration 0.01003mol/l, volume 500ml (cas: 7758-98-7) ideal for instrument calibration in analytical laboratories ensuring high precision and reliable res…
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Copper Sulfate Titration Solution | 0.01505mol/L | 500mL | Instrument Calibration Standard Material
Add to cartCopper sulfate titration solution with concentration 0.01505mol/l, volume 500ml (cas: 7758-98-7) ideal for instrument calibration in analytical laboratories ensuring high precision and reliable res…
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Copper Sulfate Titration Solution | 0.02498mol/L | 1L | Instrument Calibration Standard Material
Add to cartCopper sulfate titration solution with concentration 0.02498mol/l, volume 1l (cas: 7758-98-7) ideal for instrument calibration in analytical laboratories ensuring high precision and reliable results
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Copper Sulfate Titration Solution | 0.1006mol/L | 500mL | Instrument Calibration Standard Material
Add to cartCopper sulfate titration solution with concentration 0.1006mol/l, volume 500ml (cas: 7758-98-7) ideal for instrument calibration in analytical laboratories ensuring high precision and reliable results
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Copper-BCA Reagent | 2 components | 50mL/100mL | Biochemical Assays Standard Material
Add to cartCopper-bca reagent with concentration 2 components, volume 50ml/100ml suitable for laboratory analytical applications ensuring high precision and reliable results
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Cordrenone Hydrochloride | 99.90% | 100mg | Environmental Monitoring Standard Material
Add to cartCordrenone hydrochloride with concentration 99.90%, volume 100mg (cas: 62-13-5) ideal for chemical titration and analysis ensuring high precision and reliable results
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Cordycepin Solution In Water | 1000ug/mL | 1.2mL | Water Quality Analysis Standard Material
Add to cartCordycepin solution in water with concentration 1000ug/ml, volume 1.2ml (cas: 73-03-0) ideal for chemical titration and analysis ensuring high precision and reliable results
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Cortisone Acetate (cortisone Acetate) In Methanol | 1000ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartCortisone acetate (cortisone acetate) in methanol with concentration 1000ug/ml, volume 1.2ml (cas: 50-04-4) ideal for chemical titration and analysis ensuring high precision and reliable results
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Cortisone Solution In Methanol | 1000ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartCortisone solution in methanol with concentration 1000ug/ml, volume 1.2ml (cas: 53-06-5) ideal for chemical titration and analysis ensuring high precision and reliable results
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Cotinine Solution In Methanol | 1000ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartCotinine solution in methanol with concentration 1000ug/ml, volume 1.2ml (cas: 486-56-6) ideal for chemical titration and analysis ensuring high precision and reliable results
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Cotinine Solution In Methanol | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartCotinine solution in methanol with concentration 100ug/ml, volume 1.2ml (cas: 486-56-6) ideal for chemical titration and analysis ensuring high precision and reliable results
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Cotinine Standard | refer to certificate | 100mg | Environmental Monitoring Standard Material
Add to cartCotinine standard with concentration refer to certificate, volume 100mg (cas: 486-56-6) ideal for chemical titration and analysis ensuring high precision and reliable results
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Cotton Suzuki Standard | 98.9% | 10mg | Research & Development Standard Material
Add to cartCotton suzuki standard with concentration 98.9%, volume 10mg (cas: 83130-01-2) suitable for laboratory analytical applications ensuring high precision and reliable results
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Coumaric Acid Standard | 98.8% | 250mg | Environmental Monitoring Standard Material
Add to cartCoumaric acid standard with concentration 98.8%, volume 250mg (cas: 500-05-0) ideal for chemical titration and analysis ensuring high precision and reliable results
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Coumarin Standard | 99.9% | 100mg | Research & Development Standard Material
Add to cartCoumarin standard with concentration 99.9%, volume 100mg (cas: 91-64-5) suitable for laboratory analytical applications ensuring high precision and reliable results
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Coumarin-D4 Isotope Standard | 2 components | 5mg | Environmental Monitoring Standard Material
Add to cartCoumarin-d4 isotope standard with concentration 2 components, volume 5mg ideal for chemical titration and analysis ensuring high precision and reliable results
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Counting Particles In Oil | 2.0mg/L | 250mL | Environmental Monitoring Standard Material
Add to cartCounting particles in oil with concentration 2.0mg/l, volume 250ml ideal for chemical titration and analysis ensuring high precision and reliable results

