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 13126–13150 of 16835 results
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Quality Control Samples Of Nitrite In Meat Products | 1.69mg/Kg | 20g | Environmental Monitoring Standard Material
Add to cartQuality control samples of nitrite in meat products with concentration 1.69mg/kg, volume 20g (cas: 7632-00-0) ideal for chemical titration and analysis ensuring high precision and reliable results
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Quality Control Samples Of Nitrite Nitrogen In Soil | 40-50mg/kg | 40g/bottle | Environmental Monitoring Standard Material
Add to cartQuality control samples of nitrite nitrogen in soil with concentration 40-50mg/kg, volume 40g/bottle (cas: 7632-00-0) ideal for chemical titration and analysis ensuring high precision and reliable …
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Quality Control Samples Of Nitrogen Dioxide In Absorption Liquid | 10ug/mL | 50mL | Environmental Monitoring Standard Material
Add to cartQuality control samples of nitrogen dioxide in absorption liquid with concentration 10ug/ml, volume 50ml (cas: 10102-44-0) ideal for chemical titration and analysis ensuring high precision and reli…
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Quality Control Samples Of Ochratoxin A In Corn Flour | 26.5ug/kg | 30g | Environmental Monitoring Standard Material
Add to cartQuality control samples of ochratoxin a in corn flour with concentration 26.5ug/kg, volume 30g (cas: 303-47-9) ideal for chemical titration and analysis ensuring high precision and reliable results
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Quality Control Samples Of Organic Matter In Soil | 11.69g/Kg | 50g | Environmental Monitoring Standard Material
Add to cartQuality control samples of organic matter in soil with concentration 11.69g/kg, volume 50g ideal for chemical titration and analysis ensuring high precision and reliable results
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Quality Control Samples Of Organic Matter In Soil | 22.00g/Kg | 50g | Environmental Monitoring Standard Material
Add to cartQuality control samples of organic matter in soil with concentration 22.00g/kg, volume 50g ideal for chemical titration and analysis ensuring high precision and reliable results
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Quality Control Samples Of Organic Matter In Soil | 37.79g/Kg | 50g | Environmental Monitoring Standard Material
Add to cartQuality control samples of organic matter in soil with concentration 37.79g/kg, volume 50g ideal for chemical titration and analysis ensuring high precision and reliable results
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Quality Control Samples Of p-Hydroxybenzoic Acid In Cosmetics | 4 components | 20g | Environmental Monitoring Standard Material
Add to cartQuality control samples of p-hydroxybenzoic acid in cosmetics with concentration 4 components, volume 20g ideal for chemical titration and analysis ensuring high precision and reliable results
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Quality Control Samples Of PCBs In Acetone | 5.77ug/L | 1.5mL | Environmental Monitoring Standard Material
Add to cartQuality control samples of pcbs in acetone with concentration 5.77ug/l, volume 1.5ml (cas: 38411-22-2) ideal for chemical titration and analysis ensuring high precision and reliable results
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Quality Control Samples Of Phthalate Esters DBP, BBP, DNOP And DEHP In Edible Oil | 4 components | 20g | Environmental Monitoring Standard Material
Add to cartQuality control samples of phthalate esters dbp, bbp, dnop and dehp in edible oil with concentration 4 components, volume 20g ideal for chemical titration and analysis ensuring high precision and r…
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Quality Control Samples Of Potassium, Magnesium, Calcium, Iron, Zinc, Manganese, Copper And Sodium In Defatted Soybean Flour | 8 components | 20g | Environmental Monitoring Standard Material
Add to cartQuality control samples of potassium, magnesium, calcium, iron, zinc, manganese, copper and sodium in defatted soybean flour with concentration 8 components, volume 20g ideal for chemical titration…
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Quality Control Samples Of Potassium, Sodium, Calcium And Magnesium In Filter Membrane | 12 components | 3 box/set | Environmental Monitoring Standard Material
Add to cartQuality control samples of potassium, sodium, calcium and magnesium in filter membrane with concentration 12 components, volume 3 box/set ideal for chemical titration and analysis ensuring high pr…
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Quality Control Samples Of Protein And Fat In Corn Flour | 2 components | 30g | Environmental Monitoring Standard Material
Add to cartQuality control samples of protein and fat in corn flour with concentration 2 components, volume 30g ideal for chemical titration and analysis ensuring high precision and reliable results
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Quality Control Samples Of Protein And Fat In Meat Products | 2 components | 30g | Environmental Monitoring Standard Material
Add to cartQuality control samples of protein and fat in meat products with concentration 2 components, volume 30g ideal for chemical titration and analysis ensuring high precision and reliable results
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Quality Control Samples Of Salt, Total Acid And Amino Acid Nitrogen In Soy Sauce | 3 components | 50mL | Environmental Monitoring Standard Material
Add to cartQuality control samples of salt, total acid and amino acid nitrogen in soy sauce with concentration 3 components, volume 50ml ideal for chemical titration and analysis ensuring high precision and r…
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Quality Control Samples Of Selenium In Soil | 50-60mg/kg | 40g/bottle | Environmental Monitoring Standard Material
Add to cartQuality control samples of selenium in soil with concentration 50-60mg/kg, volume 40g/bottle (cas: 7782-49-2) ideal for chemical titration and analysis ensuring high precision and reliable results
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Quality Control Samples Of Six Kinds Of alpha-Hydroxy Acids In Cosmetics | 6 components | 10g | Environmental Monitoring Standard Material
Add to cartQuality control samples of six kinds of alpha-hydroxy acids in cosmetics with concentration 6 components, volume 10g ideal for chemical titration and analysis ensuring high precision and reliable results
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Quality Control Samples Of Sodium Cyclamate And Methanol In Liquor | | 30mL | Environmental Monitoring Standard Material
Add to cartQuality control samples of sodium cyclamate and methanol in liquor with concentration specification: 30ml, volume 30ml ideal for chemical titration and analysis ensuring high precision and reliable…
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Quality Control Samples Of Sodium Saccharin And Sodium Cyclamate In Liquor | 2 components | 100mL | Environmental Monitoring Standard Material
Add to cartQuality control samples of sodium saccharin and sodium cyclamate in liquor with concentration 2 components, volume 100ml ideal for chemical titration and analysis ensuring high precision and reliab…
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Quality Control Samples Of Sorbic Acid And Benzoic Acid In Meat Products | 2 components | 30g | Environmental Monitoring Standard Material
Add to cartQuality control samples of sorbic acid and benzoic acid in meat products with concentration 2 components, volume 30g ideal for chemical titration and analysis ensuring high precision and reliable r…
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Quality Control Samples Of Sudan I, II, III And IV In Chili Sauce | 4 components | 50g | Environmental Monitoring Standard Material
Add to cartQuality control samples of sudan i, ii, iii and iv in chili sauce with concentration 4 components, volume 50g ideal for chemical titration and analysis ensuring high precision and reliable results
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Quality Control Samples Of Sulfide In Soil (HJ 833-2017) | 4.5mg/Kg | 50g+20mL /set | Environmental Monitoring Standard Material
Add to cartQuality control samples of sulfide in soil (hj 833-2017) with concentration 4.5mg/kg, volume 50g+20ml /set (cas: 1313-82-2) ideal for chemical titration and analysis ensuring high precision and rel…
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Quality Control Samples Of Sulfide In Soil (HJ 833-2017) | 48.6mg/Kg | 50g+20mL /set | Environmental Monitoring Standard Material
Add to cartQuality control samples of sulfide in soil (hj 833-2017) with concentration 48.6mg/kg, volume 50g+20ml /set (cas: 1313-82-2) ideal for chemical titration and analysis ensuring high precision and re…
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Quality Control Samples Of Suspended Matter In Seawater | 100mg/L | 500mL | Water Quality Analysis Standard Material
Add to cartQuality control samples of suspended matter in seawater with concentration 100mg/l, volume 500ml ideal for chemical titration and analysis ensuring high precision and reliable results
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Quality Control Samples Of Suspended Matter In Seawater | 185mg/L | 500mL | Water Quality Analysis Standard Material
Add to cartQuality control samples of suspended matter in seawater with concentration 185mg/l, volume 500ml ideal for chemical titration and analysis ensuring high precision and reliable results

