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 2976–3000 of 16835 results
-
Ammonia Test Solution | 50% | 500mL | Biochemical Assays Standard Material
Add to cartAmmonia test solution with concentration 50%, volume 500ml (cas: 1336-21-6) suitable for laboratory analytical applications ensuring high precision and reliable results
-
Ammonia To Produce Silver Nitrate Solution (in Accordance With Chinese Pharmacopoeia) | 50g/L | 500mL | Environmental Monitoring Standard Material
Add to cartAmmonia to produce silver nitrate solution (in accordance with chinese pharmacopoeia) with concentration 50g/l, volume 500ml (cas: 7761-88-8) ideal for chemical titration and analysis ensuring high…
-
Ammonia-Ammonium Chloride Buffer | 10.0 | 500mL | Biochemical Assays Standard Material
Add to cartAmmonia-ammonium chloride buffer with concentration 10.0, volume 500ml suitable for laboratory analytical applications ensuring high precision and reliable results
-
Ammonia-Ammonium Chloride Buffer | pH=9.8 | 500mL | Biochemical Assays Standard Material
Add to cartAmmonia-ammonium chloride buffer with concentration ph=9.8, volume 500ml (cas: 12125-02-9) suitable for laboratory analytical applications ensuring high precision and reliable results
-
Ammonia-ammonium Chloride Buffer Solution | pH=9.0 | 500mL | Biochemical Assays Standard Material
Add to cartAmmonia-ammonium chloride buffer solution with concentration ph=9.0, volume 500ml (cas: 12125-02-9) suitable for laboratory analytical applications ensuring high precision and reliable results
-
Ammonia-ammonium Chloride Buffer Solution | pH=9.5 | 500mL | Biochemical Assays Standard Material
Add to cartAmmonia-ammonium chloride buffer solution with concentration ph=9.5, volume 500ml (cas: 12125-02-9) suitable for laboratory analytical applications ensuring high precision and reliable results
-
Ammonia-free | / | 500mL | Environmental Monitoring Standard Material
Add to cartAmmonia-free with concentration /, volume 500ml (cas: 7732-18-5) ideal for chemical titration and analysis ensuring high precision and reliable results
-
Ammoniacal Hydroxylamine Hydrochloride Solution | 2 components | 500mL | Environmental Monitoring Standard Material
Add to cartAmmoniacal hydroxylamine hydrochloride solution with concentration 2 components, volume 500ml ideal for chemical titration and analysis ensuring high precision and reliable results
-
Ammonium Acetate Buffer Solution (GB/T 5750.6-2023) | pH =4.2 | 500mL | Biochemical Assays Standard Material
Add to cartAmmonium acetate buffer solution (gb/t 5750.6-2023) with concentration ph =4.2, volume 500ml suitable for laboratory analytical applications ensuring high precision and reliable results
-
Ammonium Acetate Buffer Solution | pH=4.2 | 50mL | Biochemical Assays Standard Material
Add to cartAmmonium acetate buffer solution with concentration ph=4.2, volume 50ml (cas: 631-61-8) suitable for laboratory analytical applications ensuring high precision and reliable results
-
Ammonium Acetate Solution | 300g/L | 500mL | Environmental Monitoring Standard Material
Add to cartAmmonium acetate solution with concentration 300g/l, volume 500ml (cas: 631-61-8) ideal for chemical titration and analysis ensuring high precision and reliable results
-
Ammonium Acetate Standard | 99.0%(HPLC) | 100mg | Research & Development Standard Material
Add to cartAmmonium acetate standard with concentration 99.0%(hplc), volume 100mg (cas: 631-61-8) suitable for laboratory analytical applications ensuring high precision and reliable results
-
Ammonium Acetate Test Solution | 100g/L | 100mL | Biochemical Assays Standard Material
Add to cartAmmonium acetate test solution with concentration 100g/l, volume 100ml (cas: 631-61-8) suitable for laboratory analytical applications ensuring high precision and reliable results
-
Ammonium Acetate Titration Solution | c(CH3COONH4))=1.000mol/L | 500mL | Instrument Calibration Standard Material
Add to cartAmmonium acetate titration solution with concentration c(ch3coonh4))=1.000mol/l, volume 500ml (cas: 631-61-8) ideal for instrument calibration in analytical laboratories ensuring high precision and…
-
Ammonium Carbonate Solution | 200g/L | 500mL | Environmental Monitoring Standard Material
Add to cartAmmonium carbonate solution with concentration 200g/l, volume 500ml (cas: 506-87-6) ideal for chemical titration and analysis ensuring high precision and reliable results
-
Ammonium Cerium Nitrate Solution | 0.1mol/L | 50mL | Environmental Monitoring Standard Material
Add to cartAmmonium cerium nitrate solution with concentration 0.1mol/l, volume 50ml (cas: 16774-21-3) ideal for chemical titration and analysis ensuring high precision and reliable results
-
Ammonium Chloride Magnesium Test Solution | | 500mL | Biochemical Assays Standard Material
Add to cartAmmonium chloride magnesium test solution with concentration specification: 500ml, volume 500ml suitable for laboratory analytical applications ensuring high precision and reliable results
-
Ammonium Chloride Solution | 1000ug/mL | 20mL | Environmental Monitoring Standard Material
Add to cartAmmonium chloride solution with concentration 1000ug/ml, volume 20ml (cas: 7782-50-5) ideal for chemical titration and analysis ensuring high precision and reliable results
-
Ammonium Chloride Solution | 2% | 500mL | Environmental Monitoring Standard Material
Add to cartAmmonium chloride solution with concentration 2%, volume 500ml (cas: 12125-02-9) ideal for chemical titration and analysis ensuring high precision and reliable results
-
Ammonium Chloride Solution In Water | 10ug/mL | 20mL | Water Quality Analysis Standard Material
Add to cartAmmonium chloride solution in water with concentration 10ug/ml, volume 20ml (cas: 12125-02-9) ideal for chemical titration and analysis ensuring high precision and reliable results
-
Ammonium Chloride Solution In Water | 20ug/mL | 20mL | Water Quality Analysis Standard Material
Add to cartAmmonium chloride solution in water with concentration 20ug/ml, volume 20ml (cas: 12125-02-9) ideal for chemical titration and analysis ensuring high precision and reliable results
-
Ammonium Chloride Solution In Water | 31.5ug/mL | 50mL | Water Quality Analysis Standard Material
Add to cartAmmonium chloride solution in water with concentration 31.5ug/ml, volume 50ml (cas: 12125-02-9) ideal for chemical titration and analysis ensuring high precision and reliable results
-
Ammonium Chloride Standard | 99.9% | 5g | Environmental Monitoring Standard Material
Add to cartAmmonium chloride standard with concentration 99.9%, volume 5g (cas: 12125-02-9) ideal for chemical titration and analysis ensuring high precision and reliable results
-
Ammonium Chloride Test Solution | 10.5%(w/v) | 100mL | Biochemical Assays Standard Material
Add to cartAmmonium chloride test solution with concentration 10.5%(w/v), volume 100ml (cas: 12125-02-9) suitable for laboratory analytical applications ensuring high precision and reliable results
-
Ammonium Chloride-ammonium Hydroxide Solution (dedicated For Total Hardness Testing) | pH=10 | 500mL | Biochemical Assays Standard Material
Add to cartAmmonium chloride-ammonium hydroxide solution (dedicated for total hardness testing) with concentration ph=10, volume 500ml suitable for laboratory analytical applications ensuring high precision a…
