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 14751–14775 of 16835 results
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Stevioside (Stevioside) Standard | 99.0% | 20mg | Research & Development Standard Material
Add to cartStevioside (stevioside) standard with concentration 99.0%, volume 20mg (cas: 57817-89-7) suitable for laboratory analytical applications ensuring high precision and reliable results
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Stevioside Standard | 99.90% | 10mg | Research & Development Standard Material
Add to cartStevioside standard with concentration 99.90%, volume 10mg (cas: 57817-89-7) suitable for laboratory analytical applications ensuring high precision and reliable results
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Stigmastanol Solution In Acetone | 1000ug/mL | 2mL | Environmental Monitoring Standard Material
Add to cartStigmastanol solution in acetone with concentration 1000ug/ml, volume 2ml (cas: 83-45-4) ideal for chemical titration and analysis ensuring high precision and reliable results
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Stigmasterol (phytosterol) Standard | 99.3% | 100mg | Research & Development Standard Material
Add to cartStigmasterol (phytosterol) standard with concentration 99.3%, volume 100mg (cas: 83-48-7) suitable for laboratory analytical applications ensuring high precision and reliable results
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Stigmasterol Solution In Acetone | 1000ug/mL | 2mL | Environmental Monitoring Standard Material
Add to cartStigmasterol solution in acetone with concentration 1000ug/ml, volume 2ml (cas: 83-48-7) ideal for chemical titration and analysis ensuring high precision and reliable results
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Stock Solution Of Odor-causing Substances In Water (GB/T 5750.4-2023) | 8 components | 8pcs/set | Water Quality Analysis Standard Material
Add to cartStock solution of odor-causing substances in water (gb/t 5750.4-2023) with concentration 8 components, volume 8pcs/set ideal for chemical titration and analysis ensuring high precision and reliable…
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Streptavidin Modified Fluorescent Microparticle (Orange) | 2 components | 5mL | Environmental Monitoring Standard Material
Add to cartStreptavidin modified fluorescent microparticle (orange) with concentration 2 components, volume 5ml ideal for chemical titration and analysis ensuring high precision and reliable results
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Streptomycin Sulfate Solution In Water | 1000ug/mL | 1.2mL | Water Quality Analysis Standard Material
Add to cartStreptomycin sulfate solution in water with concentration 1000ug/ml, volume 1.2ml (cas: 3810-74-0) ideal for chemical titration and analysis ensuring high precision and reliable results
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Streptomycin Sulfate Solution In Water | 100ug/mL | 1.2mL | Water Quality Analysis Standard Material
Add to cartStreptomycin sulfate solution in water with concentration 100ug/ml, volume 1.2ml (cas: 3810-74-0) ideal for chemical titration and analysis ensuring high precision and reliable results
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Streptomycin Sulfate Standard | ≥98% | 250mg | Environmental Monitoring Standard Material
Add to cartStreptomycin sulfate standard with concentration ≥98%, volume 250mg (cas: 3810-74-0) ideal for chemical titration and analysis ensuring high precision and reliable results
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Strontium (Sr) Quality Control Sample In Filter Membrane | 3 components | 3 box/set | Environmental Monitoring Standard Material
Add to cartStrontium (sr) 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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Strontium Chloride Saturated Solution (water Activity) | 0.709(25 celsius) | 500mL | Water Quality Analysis Standard Material
Add to cartStrontium chloride saturated solution (water activity) with concentration 0.709(25 celsius), volume 500ml (cas: 10361-37-2) ideal for chemical titration and analysis ensuring high precision and reliable …
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Strontium Chloride Solution | 90g/L | 500mL | Environmental Monitoring Standard Material
Add to cartStrontium chloride solution with concentration 90g/l, volume 500ml (cas: 10025-70-4) ideal for chemical titration and analysis ensuring high precision and reliable results
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Strontium Element Solution | 1000ug/mL | 50mL | Water Quality Analysis Standard Material
Add to cartStrontium element solution with concentration 1000ug/ml, volume 50ml (cas: 7440-24-6) ideal for chemical titration and analysis ensuring high precision and reliable results
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Strontium Element Solution | 100ug/mL | 50mL | Water Quality Analysis Standard Material
Add to cartStrontium element solution with concentration 100ug/ml, volume 50ml (cas: 7440-24-6) ideal for chemical titration and analysis ensuring high precision and reliable results
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Strontium Element Solution | 500ug/mL | 100mL | Water Quality Analysis Standard Material
Add to cartStrontium element solution with concentration 500ug/ml, volume 100ml (cas: 7440-24-6) ideal for chemical titration and analysis ensuring high precision and reliable results
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Strontium Nitrate Saturated Solution (water Activity) | 0.851(25 celsius) | 250mL | Water Quality Analysis Standard Material
Add to cartStrontium nitrate saturated solution (water activity) with concentration 0.851(25 celsius), volume 250ml (cas: 10361-37-2) ideal for chemical titration and analysis ensuring high precision and reliable r…
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Stylin Standard | 97.20% | 1mg | Research & Development Standard Material
Add to cartStylin standard with concentration 97.20%, volume 1mg (cas: 547-17-1) suitable for laboratory analytical applications ensuring high precision and reliable results
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Stylin Standard | 99.10% | 5mg | Research & Development Standard Material
Add to cartStylin standard with concentration 99.10%, volume 5mg (cas: 547-17-1) suitable for laboratory analytical applications ensuring high precision and reliable results
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Styrene In Carbon Disulfide (standard Sample) | 105.1ug/mL | 2mL | Environmental Monitoring Standard Material
Add to cartStyrene in carbon disulfide (standard sample) with concentration 105.1ug/ml, volume 2ml (cas: 100-42-5) ideal for chemical titration and analysis ensuring high precision and reliable results
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Styrene In Carbon Disulfide (standard Sample) | 52.5ug/mL | 2mL | Environmental Monitoring Standard Material
Add to cartStyrene in carbon disulfide (standard sample) with concentration 52.5ug/ml, volume 2ml (cas: 100-42-5) ideal for chemical titration and analysis ensuring high precision and reliable results
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Styrene In Methanol (standard Sample) | 127.7ug/mL | 2mL | Environmental Monitoring Standard Material
Add to cartStyrene in methanol (standard sample) with concentration 127.7ug/ml, volume 2ml (cas: 100-42-5) ideal for chemical titration and analysis ensuring high precision and reliable results
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Styrene In Methanol (standard Sample) | 73.2ug/mL | 2mL | Environmental Monitoring Standard Material
Add to cartStyrene in methanol (standard sample) with concentration 73.2ug/ml, volume 2ml (cas: 100-42-5) ideal for chemical titration and analysis ensuring high precision and reliable results
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Styrene In Methanol (standard Sample) | 89.6ug/mL | 2mL | Environmental Monitoring Standard Material
Add to cartStyrene in methanol (standard sample) with concentration 89.6ug/ml, volume 2ml (cas: 100-42-5) ideal for chemical titration and analysis ensuring high precision and reliable results
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Styrene Quality Control Sample In Activated Carbon Tube | 2 components | 2pcs/set | Environmental Monitoring Standard Material
Add to cartStyrene quality control sample in activated carbon tube with concentration 2 components, volume 2pcs/set ideal for chemical titration and analysis ensuring high precision and reliable results
