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main / offer for laboratory / reagents for instrumental analysis / high purity solvents / solvents for environmental analyses     Regarding the growing importance of natural environment protection we propose the solvents for environmental analyses. They are characteristic with low contents of water (below 0.1%) and trihalogenomethanes (below 1 p.p.b.). The solvents are available in packages of 1 l in volume.     To read the quality specification and the price of selected product, please, click on appropriate catalogue No. Solvents with reduced content of trihalogenomethanes Catalogue number Product name Trihalogenomethanes max. content [ppb] Water max. content [%] 466310893 n-HEXANE 95% 1 0,01 621990892 METHANOL 1 0,01 717921891 n-PENTANE 99% 1 0,01 487270893 2,2,4-TRIMETHYLPENTANE (ISOOCTANE) 1 0,01 Methanol for volatile organic substances determination in water, soil and solid wastes samples. Catalogue number Product name Trihalogenomethanes max. content [ppb] Water max. content [%] 621990892 METHANOL 1 0,01 Specially purified solvents for examinations of trace emissions to environment using the methods of capillary GC and GC-MS. Catalogue number Product name Max. organic residue [ng/ml]1 Max. halogene residue [ng/l]2 Max. residue after evaporation [%] 102485891 ACETONE 10 5 0,0005 234431899 CHLOROFORM 10 5 0,0006 628412898 DICHLOROMETHANE 10 5 0,0007 384705898 PETROLEUM ETHER 10 5 0,0008 405031893 ETHYL ACETATE 10 5 0,0009 466320898 n-HEXANE 95% 10 5 0,0010 621991898 METHANOL 10 5 0,0011 717920896 n-PENTANE 99% 10 5 0,0012 1) as toluene using GC/FID method 2) as lindane using GC/ECD method.     Sales: Local Distributors or Sales Department of POCH S.A., tel. +48 32 23-92-378.     Technical support: Export Department, mail: export@poch.com.pl
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