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 13501–13525 of 16835 results
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Selenite Solution | 2 components | 2mL | Environmental Monitoring Standard Material
Add to cartSelenite solution with concentration 2 components, volume 2ml ideal for chemical titration and analysis ensuring high precision and reliable results
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Selenite Solution In Water | 1000mg/L | 2mL | Water Quality Analysis Standard Material
Add to cartSelenite solution in water with concentration 1000mg/l, volume 2ml (cas: 7782-49-2) ideal for chemical titration and analysis ensuring high precision and reliable results
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Selenium Element Solution | 1000ug/mL | 100mL | Water Quality Analysis Standard Material
Add to cartSelenium element solution with concentration 1000ug/ml, volume 100ml (cas: 7782-49-2) ideal for chemical titration and analysis ensuring high precision and reliable results
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Selenium Element Solution | 1000ug/mL | 50mL | Water Quality Analysis Standard Material
Add to cartSelenium element solution with concentration 1000ug/ml, volume 50ml (cas: 7782-49-2) ideal for chemical titration and analysis ensuring high precision and reliable results
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Selenium Element Solution | 100ug/mL | 100mL | Water Quality Analysis Standard Material
Add to cartSelenium element solution with concentration 100ug/ml, volume 100ml (cas: 7782-49-2) ideal for chemical titration and analysis ensuring high precision and reliable results
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Selenium Element Solution | 100ug/mL | 50mL | Water Quality Analysis Standard Material
Add to cartSelenium element solution with concentration 100ug/ml, volume 50ml (cas: 7782-49-2) ideal for chemical titration and analysis ensuring high precision and reliable results
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Selenium Element Solution | 10ug/mL | 100mL | Water Quality Analysis Standard Material
Add to cartSelenium element solution with concentration 10ug/ml, volume 100ml (cas: 7782-49-2) ideal for chemical titration and analysis ensuring high precision and reliable results
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Selenium Quality Control Sample In Filter Membrane | 3 components | 3 box/set | Environmental Monitoring Standard Material
Add to cartSelenium 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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Selenocysteine Solution In Water (NY/T 4353-2023) | | 2mL | Water Quality Analysis Standard Material
Add to cartSelenocysteine solution in water (ny/t 4353-2023) with concentration specification: 2ml, volume 2ml (cas: 10236-58-5) ideal for chemical titration and analysis ensuring high precision and reliable …
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Selenocystine Solution In Water | 100mg/L | 2mL | Water Quality Analysis Standard Material
Add to cartSelenocystine solution in water with concentration 100mg/l, volume 2ml (cas: 29621-88-3) ideal for chemical titration and analysis ensuring high precision and reliable results
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SEM Isotope (13C,15N2) Isotope Solution In Methanol | 50ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartSem isotope (13c,15n2) isotope solution in methanol with concentration 50ug/ml, volume 1.2ml (cas: 1173020-16-0) ideal for chemical titration and analysis ensuring high precision and reliable results
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SEM(13C,15N2) Isotope Solution In Methanol | 1000ug/mL | 1mL | Environmental Monitoring Standard Material
Add to cartSem(13c,15n2) isotope solution in methanol with concentration 1000ug/ml, volume 1ml (cas: 1173020-16-0) ideal for chemical titration and analysis ensuring high precision and reliable results
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SEM(13C,15N2) Isotope Solution In Methanol | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartSem(13c,15n2) isotope solution in methanol with concentration 100ug/ml, volume 1.2ml (cas: 1173020-16-0) ideal for chemical titration and analysis ensuring high precision and reliable results
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Semi-Xylenol Orange Indicator Solution | 0.5%(w/v) | 50mL | Biochemical Assays Standard Material
Add to cartSemi-xylenol orange indicator solution with concentration 0.5%(w/v), volume 50ml (cas: 19329-67-0) suitable for laboratory analytical applications ensuring high precision and reliable results
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Sennoside A Reference | ≥98% | 20mg | Research & Development Standard Material
Add to cartSennoside a reference with concentration ≥98%, volume 20mg (cas: 81-27-6) suitable for laboratory analytical applications ensuring high precision and reliable results
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Sennoside B | ≥98% refer to certificate | 20mg | Research & Development Standard Material
Add to cartSennoside b with concentration ≥98% refer to certificate, volume 20mg (cas: 128-57-4) suitable for laboratory analytical applications ensuring high precision and reliable results
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Sertraline Hydrochloride Standard | 98%(HPLC) | 250mg | Environmental Monitoring Standard Material
Add to cartSertraline hydrochloride standard with concentration 98%(hplc), volume 250mg (cas: 79559-97-0) ideal for chemical titration and analysis ensuring high precision and reliable results
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Sevoflurane Standard | 99.6% | 100mg | Research & Development Standard Material
Add to cartSevoflurane standard with concentration 99.6%, volume 100mg (cas: 28523-86-6) suitable for laboratory analytical applications ensuring high precision and reliable results
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Shahuang Re-dyeing Solution | 0.25% | 100mL | Research & Development Standard Material
Add to cartShahuang re-dyeing solution with concentration 0.25%, volume 100ml (cas: 477-73-6) suitable for laboratory analytical applications ensuring high precision and reliable results
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Shimao Powder Standard | refer to certificate | 10mg | Environmental Monitoring Standard Material
Add to cartShimao powder standard with concentration refer to certificate, volume 10mg (cas: 2675-77-6) ideal for chemical titration and analysis ensuring high precision and reliable results
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Sibuterol Standard | refer to certificate | 10mg | Environmental Monitoring Standard Material
Add to cartSibuterol standard with concentration refer to certificate, volume 10mg (cas: 54239-39-3) ideal for chemical titration and analysis ensuring high precision and reliable results
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Sibuterol-D9 Isotope Standard | refer to certificate | 1mg | Environmental Monitoring Standard Material
Add to cartSibuterol-d9 isotope standard with concentration refer to certificate, volume 1mg (cas: 1246819-04-4) ideal for chemical titration and analysis ensuring high precision and reliable results
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Sibuterol-D9 Isotope Standard | refer to certificate | 5mg | Environmental Monitoring Standard Material
Add to cartSibuterol-d9 isotope standard with concentration refer to certificate, volume 5mg (cas: 1246819-04-4) ideal for chemical titration and analysis ensuring high precision and reliable results
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Sibutramine Hydrochloride (Sibutramine Hydrochloride Monohydrate) Standard | 97.5% | 10mg | Environmental Monitoring Standard Material
Add to cartSibutramine hydrochloride (sibutramine hydrochloride monohydrate) standard with concentration 97.5%, volume 10mg (cas: 125494-59-9) ideal for chemical titration and analysis ensuring high precision…
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Sibutramine Hydrochloride (Sibutramine Hydrochloride Monohydrate) Standard | 99.5% | 50mg | Environmental Monitoring Standard Material
Add to cartSibutramine hydrochloride (sibutramine hydrochloride monohydrate) standard with concentration 99.5%, volume 50mg (cas: 125494-59-9) ideal for chemical titration and analysis ensuring high precision…
