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 16426–16450 of 16835 results
-
Water Quality Hydroxide Alkalinity (hydroxyl) (standard Sample) | 100.0ug/mL | 20mL | Water Quality Analysis Standard Material
Add to cartWater quality hydroxide alkalinity (hydroxyl) (standard sample) with concentration 100.0ug/ml, volume 20ml (cas: 1310-73-2) ideal for chemical titration and analysis ensuring high precision and rel…
-
Water Quality Hydroxide Alkalinity (hydroxyl) (standard Sample) | 150ug/mL | 20mL | Water Quality Analysis Standard Material
Add to cartWater quality hydroxide alkalinity (hydroxyl) (standard sample) with concentration 150ug/ml, volume 20ml (cas: 1310-73-2) ideal for chemical titration and analysis ensuring high precision and relia…
-
Water Quality Hydroxide Alkalinity (hydroxyl) (standard Sample) | 20.0ug/mL | 20mL | Water Quality Analysis Standard Material
Add to cartWater quality hydroxide alkalinity (hydroxyl) (standard sample) with concentration 20.0ug/ml, volume 20ml (cas: 1310-73-2) ideal for chemical titration and analysis ensuring high precision and reli…
-
Water Quality Hydroxide Alkalinity (hydroxyl) (standard Sample) | 200ug/mL | 20mL | Water Quality Analysis Standard Material
Add to cartWater quality hydroxide alkalinity (hydroxyl) (standard sample) with concentration 200ug/ml, volume 20ml (cas: 1310-73-2) ideal for chemical titration and analysis ensuring high precision and relia…
-
Water Quality Hydroxide Alkalinity (hydroxyl) (standard Sample) | 250ug/mL | 20mL | Water Quality Analysis Standard Material
Add to cartWater quality hydroxide alkalinity (hydroxyl) (standard sample) with concentration 250ug/ml, volume 20ml (cas: 1310-73-2) ideal for chemical titration and analysis ensuring high precision and relia…
-
Water Quality Hydroxide Alkalinity (hydroxyl) (standard Sample) | 50.0ug/mL | 20mL | Water Quality Analysis Standard Material
Add to cartWater quality hydroxide alkalinity (hydroxyl) (standard sample) with concentration 50.0ug/ml, volume 20ml (cas: 1310-73-2) ideal for chemical titration and analysis ensuring high precision and reli…
-
Water Quality Hydroxide, Carbonate Mixture (standard Sample) | 2 components | 20mL | Water Quality Analysis Standard Material
Add to cartWater quality hydroxide, carbonate mixture (standard sample) with concentration 2 components, volume 20ml ideal for chemical titration and analysis ensuring high precision and reliable results
-
Water Quality Hydroxide, Carbonate Mixture (standard Sample) | 2 components | 20mL | Water Quality Analysis Standard Material
Add to cartWater quality hydroxide, carbonate mixture (standard sample) with concentration 2 components, volume 20ml ideal for chemical titration and analysis ensuring high precision and reliable results
-
Water Quality Hydroxide, Carbonate Mixture (standard Sample) | 2 components | 20mL | Water Quality Analysis Standard Material
Add to cartWater quality hydroxide, carbonate mixture (standard sample) with concentration 2 components, volume 20ml ideal for chemical titration and analysis ensuring high precision and reliable results
-
Water Quality Hydroxide, Carbonate Mixture (standard Sample) | 2 components | 20mL | Water Quality Analysis Standard Material
Add to cartWater quality hydroxide, carbonate mixture (standard sample) with concentration 2 components, volume 20ml ideal for chemical titration and analysis ensuring high precision and reliable results
-
Water Quality Hydroxide, Carbonate Mixture (standard Sample) | 2 components | 20mL | Water Quality Analysis Standard Material
Add to cartWater quality hydroxide, carbonate mixture (standard sample) with concentration 2 components, volume 20ml ideal for chemical titration and analysis ensuring high precision and reliable results
-
Water Quality Hydroxide, Carbonate Mixture (standard Sample) | 2 components | 20mL | Water Quality Analysis Standard Material
Add to cartWater quality hydroxide, carbonate mixture (standard sample) with concentration 2 components, volume 20ml ideal for chemical titration and analysis ensuring high precision and reliable results
-
Water Quality Indium (standard Sample) | 4.10mg/L | 20mL | Water Quality Analysis Standard Material
Add to cartWater quality indium (standard sample) with concentration 4.10mg/l, volume 20ml (cas: 7440-74-6) ideal for chemical titration and analysis ensuring high precision and reliable results
-
Water Quality Iodine (standard Sample) | 1.25ug/mL | 20mL | Water Quality Analysis Standard Material
Add to cartWater quality iodine (standard sample) with concentration 1.25ug/ml, volume 20ml (cas: 7553-56-2) ideal for chemical titration and analysis ensuring high precision and reliable results
-
Water Quality Iodine (standard Sample) | 3.35ug/mL | 20mL | Water Quality Analysis Standard Material
Add to cartWater quality iodine (standard sample) with concentration 3.35ug/ml, volume 20ml (cas: 7681-11-0) ideal for chemical titration and analysis ensuring high precision and reliable results
-
Water Quality Iodine (standard Sample) | 5.15ug/mL | 20mL | Water Quality Analysis Standard Material
Add to cartWater quality iodine (standard sample) with concentration 5.15ug/ml, volume 20ml (cas: 7681-11-0) ideal for chemical titration and analysis ensuring high precision and reliable results
-
Water Quality Iridium (standard Sample) | 18.40ug/mL | 20mL | Water Quality Analysis Standard Material
Add to cartWater quality iridium (standard sample) with concentration 18.40ug/ml, volume 20ml (cas: 7439-88-5) ideal for chemical titration and analysis ensuring high precision and reliable results
-
Water Quality Iron (standard Sample) | 0.361mg/L | 20mL | Water Quality Analysis Standard Material
Add to cartWater quality iron (standard sample) with concentration 0.361mg/l, volume 20ml (cas: 7439-89-6) ideal for chemical titration and analysis ensuring high precision and reliable results
-
Water Quality Iron (standard Sample) | 1.19mg/L | 20mL | Water Quality Analysis Standard Material
Add to cartWater quality iron (standard sample) with concentration 1.19mg/l, volume 20ml (cas: 7439-89-6) ideal for chemical titration and analysis ensuring high precision and reliable results
-
Water Quality Iron (standard Sample) | 4.00mg/L | 20mL | Water Quality Analysis Standard Material
Add to cartWater quality iron (standard sample) with concentration 4.00mg/l, volume 20ml (cas: 7439-89-6) ideal for chemical titration and analysis ensuring high precision and reliable results
-
Water Quality Iron And Manganese Mixture (standard Sample) | 53ug/L | 20mL | Water Quality Analysis Standard Material
Add to cartWater quality iron and manganese mixture (standard sample) with concentration 53ug/l, volume 20ml ideal for chemical titration and analysis ensuring high precision and reliable results
-
Water Quality Iron Detection Reagent (GB/T 5750.6-2023)(phenanthroline Spectrophotometry) | 5 components | 5 bottle/set | Biochemical Assays Standard Material
Add to cartWater quality iron detection reagent (gb/t 5750.6-2023)(phenanthroline spectrophotometry) with concentration 5 components, volume 5 bottle/set suitable for laboratory analytical applications ensuri…
-
Water Quality Kjeldahl Nitrogen (standard Sample) | 0.646ug/mL | 20mL | Water Quality Analysis Standard Material
Add to cartWater quality kjeldahl nitrogen (standard sample) with concentration 0.646ug/ml, volume 20ml (cas: 7727-37-9) ideal for chemical titration and analysis ensuring high precision and reliable results
-
Water Quality Kjeldahl Nitrogen (standard Sample) | 14.7ug/mL | 20mL | Water Quality Analysis Standard Material
Add to cartWater quality kjeldahl nitrogen (standard sample) with concentration 14.7ug/ml, volume 20ml (cas: 12125-02-9) ideal for chemical titration and analysis ensuring high precision and reliable results
-
Water Quality Lanthanum (standard Sample) | 40.00ug/mL | 20mL | Water Quality Analysis Standard Material
Add to cartWater quality lanthanum (standard sample) with concentration 40.00ug/ml, volume 20ml (cas: 7439-91-0) ideal for chemical titration and analysis ensuring high precision and reliable results

