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 16651–16675 of 16835 results
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Wheat Straw Fluoroisopropyl Ester Solution In Methanol | 1000ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartWheat straw fluoroisopropyl ester solution in methanol with concentration 1000ug/ml, volume 1.2ml (cas: 52756-22-6) ideal for chemical titration and analysis ensuring high precision and reliable re…
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Wheat Straw Fluoroisopropyl Ester Solution In Methanol | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartWheat straw fluoroisopropyl ester solution in methanol with concentration 100ug/ml, volume 1.2ml (cas: 52756-22-6) ideal for chemical titration and analysis ensuring high precision and reliable res…
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White Spot Visible Foreign Matter | 2 components | 2mL/10mL | Environmental Monitoring Standard Material
Add to cartWhite spot visible foreign matter with concentration 2 components, volume 2ml/10ml ideal for chemical titration and analysis ensuring high precision and reliable results
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White Spot Visible Foreign Matter | 2 components | 2mL/10mL | Environmental Monitoring Standard Material
Add to cartWhite spot visible foreign matter with concentration 2 components, volume 2ml/10ml ideal for chemical titration and analysis ensuring high precision and reliable results
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White Spot Visible Foreign Matter | 2 components | 2mL/10mL | Environmental Monitoring Standard Material
Add to cartWhite spot visible foreign matter with concentration 2 components, volume 2ml/10ml ideal for chemical titration and analysis ensuring high precision and reliable results
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White Spot Visible Foreign Matter | 2 components | 2mL/10mL | Environmental Monitoring Standard Material
Add to cartWhite spot visible foreign matter with concentration 2 components, volume 2ml/10ml ideal for chemical titration and analysis ensuring high precision and reliable results
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Wide Distribution Glass Bead Size Standard Material (set Of Standard) | 4 components | 10*2.5g/bottle | Environmental Monitoring Standard Material
Add to cartWide distribution glass bead size standard material (set of standard) with concentration 4 components, volume 10*2.5g/bottle ideal for chemical titration and analysis ensuring high precision and re…
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Wide Distribution Sieving Particle Standard Material (Glass Beads) | 150-350um | 100mg/bottle | Environmental Monitoring Standard Material
Add to cartWide distribution sieving particle standard material (glass beads) with concentration 150-350um, volume 100mg/bottle ideal for chemical titration and analysis ensuring high precision and reliable r…
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Wide Distribution Sieving Particle Standard Material (Glass Beads) | 20-80um | 100mg/bottle | Environmental Monitoring Standard Material
Add to cartWide distribution sieving particle standard material (glass beads) with concentration 20-80um, volume 100mg/bottle ideal for chemical titration and analysis ensuring high precision and reliable res…
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Wide Distribution Sieving Particle Standard Material (Glass Beads) | 300-550um | 100mg/bottle | Environmental Monitoring Standard Material
Add to cartWide distribution sieving particle standard material (glass beads) with concentration 300-550um, volume 100mg/bottle ideal for chemical titration and analysis ensuring high precision and reliable r…
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Wide Distribution Sieving Particle Standard Material (Glass Beads) | 60-200um | 100mg/bottle | Environmental Monitoring Standard Material
Add to cartWide distribution sieving particle standard material (glass beads) with concentration 60-200um, volume 100mg/bottle ideal for chemical titration and analysis ensuring high precision and reliable re…
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Wild Wheat Fear Solution In Acetonitrile | 1000ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartWild wheat fear solution in acetonitrile with concentration 1000ug/ml, volume 1.2ml (cas: 2303-17-5) ideal for chemical titration and analysis ensuring high precision and reliable results
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Wild Wheat Fear Solution In Acetonitrile | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartWild wheat fear solution in acetonitrile with concentration 100ug/ml, volume 1.2ml (cas: 2303-17-5) ideal for chemical titration and analysis ensuring high precision and reliable results
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Wild Wheat Fear Solution In N-hexane | 1000ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartWild wheat fear solution in n-hexane with concentration 1000ug/ml, volume 1.2ml (cas: 2303-17-5) ideal for chemical titration and analysis ensuring high precision and reliable results
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Wormenitrile Solution In Methanol | 1000ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartWormenitrile solution in methanol with concentration 1000ug/ml, volume 1.2ml (cas: 122453-73-0) ideal for chemical titration and analysis ensuring high precision and reliable results
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Wormenitrile Solution In Methanol | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartWormenitrile solution in methanol with concentration 100ug/ml, volume 1.2ml (cas: 122453-73-0) ideal for chemical titration and analysis ensuring high precision and reliable results
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Wormenitrile Solution In N-hexane | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartWormenitrile solution in n-hexane with concentration 100ug/ml, volume 1.2ml (cas: 122453-73-0) ideal for chemical titration and analysis ensuring high precision and reliable results
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Wortmannin Standard | refer to certificate | 10mg | Environmental Monitoring Standard Material
Add to cartWortmannin standard with concentration refer to certificate, volume 10mg (cas: 19545-26-7) ideal for chemical titration and analysis ensuring high precision and reliable results
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Xanthine (2,6-dihydroxypurine) Standard | refer to certificate | 100mg | Environmental Monitoring Standard Material
Add to cartXanthine (2,6-dihydroxypurine) standard with concentration refer to certificate, volume 100mg (cas: 69-89-6) ideal for chemical titration and analysis ensuring high precision and reliable results
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Xanthine Nucleotide Standard | refer to certificate | 100mg | Environmental Monitoring Standard Material
Add to cartXanthine nucleotide standard with concentration refer to certificate, volume 100mg (cas: 146-80-5) ideal for chemical titration and analysis ensuring high precision and reliable results
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Xanthine Standard Stock Solution | 0.4% | 100mL | Research & Development Standard Material
Add to cartXanthine standard stock solution with concentration 0.4%, volume 100ml (cas: 69-89-6) suitable for laboratory analytical applications ensuring high precision and reliable results
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Xicaojing Standard | 99.20% | 100mg | Research & Development Standard Material
Add to cartXicaojing standard with concentration 99.20%, volume 100mg (cas: 1014-70-6) suitable for laboratory analytical applications ensuring high precision and reliable results
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Xilanwei Solution In Methanol | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartXilanwei solution in methanol with concentration 100ug/ml, volume 1.2ml (cas: 23135-22-0) ideal for chemical titration and analysis ensuring high precision and reliable results
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Xylazine (Xylazine) Solution In Methanol | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartXylazine (xylazine) solution in methanol with concentration 100ug/ml, volume 1.2ml (cas: 7361-61-7) ideal for chemical titration and analysis ensuring high precision and reliable results
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Xylazine Hydrochloride Standard | 99.90% | 100mg | Environmental Monitoring Standard Material
Add to cartXylazine hydrochloride standard with concentration 99.90%, volume 100mg (cas: 23076-35-9) ideal for chemical titration and analysis ensuring high precision and reliable results

