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 1976–2000 of 16835 results
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4,6-dinitro-o-cresol Solution In Methanol | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cart4,6-dinitro-o-cresol solution in methanol with concentration 100ug/ml, volume 1.2ml (cas: 534-52-1) ideal for chemical titration and analysis ensuring high precision and reliable results
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4,7-Diphenyl -1,10-Phenanthroline Solution | 0.001mol/L | 100mL | Environmental Monitoring Standard Material
Add to cart4,7-diphenyl -1,10-phenanthroline solution with concentration 0.001mol/l, volume 100ml (cas: 1662-01-7) ideal for chemical titration and analysis ensuring high precision and reliable results
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4,7,13,21, 24-Hexa-1, 10-Diazabicyclo [8,8,8]-Hexacosane Standard | 98% | 10mg | Research & Development Standard Material
Add to cart4,7,13,21, 24-hexa-1, 10-diazabicyclo [8,8,8]-hexacosane standard with concentration 98%, volume 10mg (cas: 23978-09-8) suitable for laboratory analytical applications ensuring high precision and r…
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4% Neutral Formaldehyde Solution | pH=7.0(@25 celsius) | 100mL | Biochemical Assays Standard Material
Add to cart4% neutral formaldehyde solution with concentration ph=7.0(@25 celsius), volume 100ml (cas: 50-00-0) suitable for laboratory analytical applications ensuring high precision and reliable results
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40 Elements Mixed Solution (DZ/T 0064.80-2021) | 40 components | 100mL | Soil & Agriculture Testing Standard Material
Add to cart40 elements mixed solution (dz/t 0064.80-2021) with concentration 40 components, volume 100ml suitable for laboratory analytical applications ensuring high precision and reliable results
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40% ACETONITRIC WATER-WATER ACCITRIC ACETONITRLIC | 1000ug/mL | 1.2mL | Water Quality Analysis Standard Material
Add to cart40% acetonitric water-water accitric acetonitrlic with concentration 1000ug/ml, volume 1.2ml (cas: 78-44-4) ideal for chemical titration and analysis ensuring high precision and reliable results
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40% Acetonitrile Fluorescent Brightener 24 Solution In Water | 100ug/mL | 1.2mL | Water Quality Analysis Standard Material
Add to cart40% acetonitrile fluorescent brightener 24 solution in water with concentration 100ug/ml, volume 1.2ml (cas: 12224-02-1) ideal for chemical titration and analysis ensuring high precision and reliab…
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40% Acetonitrile Fluorescent Brightener 33 Solution In Water | 100ug/mL | 1.2mL | Water Quality Analysis Standard Material
Add to cart40% acetonitrile fluorescent brightener 33 solution in water with concentration 100ug/ml, volume 1.2ml (cas: 61902-19-0) ideal for chemical titration and analysis ensuring high precision and reliab…
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40% Acetonitrile Fluorescent Brightener 52 Solution | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cart40% acetonitrile fluorescent brightener 52 solution with concentration 100ug/ml, volume 1.2ml (cas: 12224-03-2) ideal for chemical titration and analysis ensuring high precision and reliable results
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40% Acetonitrile Fluorescent Brightener 85 Solution In Water | 101ug/mL | 1mL | Water Quality Analysis Standard Material
Add to cart40% acetonitrile fluorescent brightener 85 solution in water with concentration 101ug/ml, volume 1ml (cas: 12224-06-5) ideal for chemical titration and analysis ensuring high precision and reliable…
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40% Acetonitrile Fluorescent Brightener 90 Solution In Water | 100ug/mL | 1.2mL | Water Quality Analysis Standard Material
Add to cart40% acetonitrile fluorescent brightener 90 solution in water with concentration 100ug/ml, volume 1.2ml (cas: 120797-63-9) ideal for chemical titration and analysis ensuring high precision and relia…
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40% Acetonitrile Water Fluorescent Whitening Agent 135 Solution | 100ug/mL | 1.2mL | Water Quality Analysis Standard Material
Add to cart40% acetonitrile water fluorescent whitening agent 135 solution with concentration 100ug/ml, volume 1.2ml (cas: 1041-00-5) ideal for chemical titration and analysis ensuring high precision and reli…
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40% Acetonitrile Water Fluorescent Whitening Agent 140 Solution | 100ug/mL | 1.2mL | Water Quality Analysis Standard Material
Add to cart40% acetonitrile water fluorescent whitening agent 140 solution with concentration 100ug/ml, volume 1.2ml (cas: 91-44-1) ideal for chemical titration and analysis ensuring high precision and reliab…
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40% Acetonitrile Water Fluorescent Whitening Agent 199 Solution | 100ug/mL | 1.2mL | Water Quality Analysis Standard Material
Add to cart40% acetonitrile water fluorescent whitening agent 199 solution with concentration 100ug/ml, volume 1.2ml (cas: 13001-40-6) ideal for chemical titration and analysis ensuring high precision and rel…
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40% Acetonitrile Water Fluorescent Whitening Agent 210 Solution | 102ug/mL | 1mL | Water Quality Analysis Standard Material
Add to cart40% acetonitrile water fluorescent whitening agent 210 solution with concentration 102ug/ml, volume 1ml ideal for chemical titration and analysis ensuring high precision and reliable results
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40% Acetonitrile Water Fluorescent Whitening Agent 220 Solution | 101ug/mL | 1.2mL | Water Quality Analysis Standard Material
Add to cart40% acetonitrile water fluorescent whitening agent 220 solution with concentration 101ug/ml, volume 1.2ml (cas: 16470-24-9) ideal for chemical titration and analysis ensuring high precision and rel…
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40% Acetonitrile Water Fluorescent Whitening Agent 264 Solution | 100ug/mL | 1.2mL | Water Quality Analysis Standard Material
Add to cart40% acetonitrile water fluorescent whitening agent 264 solution with concentration 100ug/ml, volume 1.2ml (cas: 76482-78-5) ideal for chemical titration and analysis ensuring high precision and rel…
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40% Acetonitrile Water Fluorescent Whitening Agent 351 Solution | 100ug/mL | 1.2mL | Water Quality Analysis Standard Material
Add to cart40% acetonitrile water fluorescent whitening agent 351 solution with concentration 100ug/ml, volume 1.2ml (cas: 38775-22-3) ideal for chemical titration and analysis ensuring high precision and rel…
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40% Acetonitrile Water Fluorescent Whitening Agent 353 Solution | 100ug/mL | 1mL | Water Quality Analysis Standard Material
Add to cart40% acetonitrile water fluorescent whitening agent 353 solution with concentration 100ug/ml, volume 1ml (cas: 55585-28-9) ideal for chemical titration and analysis ensuring high precision and relia…
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40% Acetonitrile Water Fluorescent Whitening Agent 357 Solution | 100ug/mL | 1.2mL | Water Quality Analysis Standard Material
Add to cart40% acetonitrile water fluorescent whitening agent 357 solution with concentration 100ug/ml, volume 1.2ml (cas: 41098-56-0) ideal for chemical titration and analysis ensuring high precision and rel…
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40% Brommisovol Solution In Acetonitrile Water | 1000ug/mL | 1.2mL | Water Quality Analysis Standard Material
Add to cart40% brommisovol solution in acetonitrile water with concentration 1000ug/ml, volume 1.2ml (cas: 496-67-3) ideal for chemical titration and analysis ensuring high precision and reliable results
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40% Cabromourea Solution In Acetonitrile And Water | 1000ug/mL | 1.2mL | Water Quality Analysis Standard Material
Add to cart40% cabromourea solution in acetonitrile and water with concentration 1000ug/ml, volume 1.2ml (cas: 77-65-6) ideal for chemical titration and analysis ensuring high precision and reliable results
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40K Reference Material For Total beta Monitoring In Water Residue | 16.25Bq/g | 10g | Water Quality Analysis Standard Material
Add to cart40k reference material for total beta monitoring in water residue with concentration 16.25bq/g, volume 10g ideal for chemical titration and analysis ensuring high precision and reliable results
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40K Reference Material For Total beta Monitoring In Water Residue | 16.25Bq/g | 1g | Water Quality Analysis Standard Material
Add to cart40k reference material for total beta monitoring in water residue with concentration 16.25bq/g, volume 1g ideal for chemical titration and analysis ensuring high precision and reliable results
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40K Reference Material For Total beta Monitoring In Water Residue | 16.25Bq/g | 3g | Water Quality Analysis Standard Material
Add to cart40k reference material for total beta monitoring in water residue with concentration 16.25bq/g, volume 3g ideal for chemical titration and analysis ensuring high precision and reliable results

