Concord Tenchology Co.,ltd products

Solvents for HPLC

Concord - 4L HPLC Grade Methanol

4LHPLC Grade Methanol. CAS.No: 67-56-1 Molecular formula: CH3OH. Molecular weight: 32.04. Density(20): 0.792g/ml. Refractive Index: 1.3288.

Concord - 4L HPLC Gradient Grade Methanol

4L HPLC Gradient Grade Methanol. CAS.No: 67-56-1 Molecular formula: CH3OH Molecular weight: 32.04. Density(20): 0.792g/ml. Refractive Index: 1.3288. High purity solvent, Low residue Low water, Low UV-absorbance, Assuring optimum sensitivity, Lang term stability

Karl Fischer Reagents

Concord - Volumetric Two-components Karl Fischer Reagents

Cas No : 1300. Product Name : Solvent for volumetric KF titration with two component reagents. Reference No : Merck: 188015 Solvent Sigma: 34800 -HYDRANAL®-Solvent. Package : 500ml*20, 1L*9. 1302KF1000 1302AB Volumetric KFR-Titrant 5（Pyridine-free）

Pesticide Residues Analysis Solvents

Concord - 4L Pesticide Analysis Grade Acetonitrile

CAS.No: 75-05-8 Molecular formula: CHUCN. Molecular weight: 41.05. Density(20): 0.783g/ml. Characters: mp:(-43±2); bp:81.6. Quality indicators: main content:>99.9%; moisture:<0.02%. High purity solvent, Low residue Low water, Low UV-absorbance, Assuring optimum sensitivity, Lang term stability

Concor - 4L Pesticide Analysis Grade Methanol

4L Pesticide Analysis Grade Methanol. CAS.No: 67-56-1 Molecular formula: ChUOH. Molecular weight: 32.04. Density(20): 0.792g/ml. Refractive Index: 1.3288. High purity solvent, Low residue Low water, Low UV-absorbance, Assuring optimum sensitivity, Lang term stability

Concord - 2.5L Pesticide Analysis Grade Ethyl Acetate

2.5L Pesticide Analysis Grade Ethyl Acetate. CAS.No: 141-78-6. Molecular formula: CH3COOC2H5. Molecular weight: 88.11. Density(20): 0.900g/ml. .High purity solvent, Low residue Low water, Low UV-absorbance, Assuring optimum sensitivity, Lang term stability

Industrial Grade Solvents

Concord - Industrial Grade Acetonitrile

CAS.No:75-05-8 Molecular formula: CH3CN Molecular weight:41.05. Characters: mp:99.9%; moisture:<0.10%.

LC-MS Grade Solvents

Concord - 4L LC-MS Grade Acetonitrile

4L LC-MS Acetonitrile; CAS.No: 75-05-8 Molecular formula: CH3CN Molecular weight: 41.05. Density(20): 0.783g/ml. Characters: mp:99.9%. High purity solvent, Low residue Low water, Low UV-absorbance, Assuring optimum sensitivity, Lang term stability

Anhydrous Solvents

Concord - 4L Anhydrous Acetonitrile

4L Anhydrous Acetonitrile; CAS.No: 75-05-8 Molecular formula: ChUCN. Molecular weight: 41.05.. Density(20): 0.783g/ml.. Quality indicators: main content:>99.9%. Test Items Specification Appearance Colorless transparent liquid Assay CH3CN (by GC),ω/% 99.9 min Color(APHA) 10 max Residue on evaporation ,ω/% 0.0005 max Water(by K-F),ppm 10 max Titrable Acid(H+),b/(mmol/g) 0.0005 max