ANALYTICAL REAGENTS (AR)
        
        
          :
        
        
          Reagents useful for analytical purpose and
        
        
          research work where high purity is essential. The
        
        
          certificate of guarantee give the minimum assay
        
        
          and maximum limits of trace impurities. This is
        
        
          similar to grade marketed by other International
        
        
          companies as, Analar, P.A.- (Proanalysis), AR-
        
        
          Analytical Reagent Puriss.
        
        
          SYNTHESIS
        
        
          :
        
        
          General purpose reagents used in many
        
        
          potential applications in chemical laboratories.
        
        
          Careful control ensures that a consistently high
        
        
          defined quality is maintained throughout.
        
        
          LABORATORY
        
        
          REAGENTS (LR) :
        
        
          Pure, Extra Pure, Purified commercial
        
        
          products used inmany chemical laboratories.
        
        
          HPLCGRADE :
        
        
          Continuing advances in the use of HPLC
        
        
          have lead to an increased demand for solvents
        
        
          and reagents in wider range of application areas,
        
        
          particularly for biomolecular and ion separation.
        
        
          Key parameters such as UV absorbance,
        
        
          transmittance, non-volatile matter, moisture
        
        
          content, fluorescence impurities and assay are
        
        
          very carefully controlled.
        
        
          SPECTROSCOPY GRADE :
        
        
          These are solvents of high optical purity for
        
        
          UV/Visible/IR/Fluorescence/NMR and Mass
        
        
          spectroscopy. The certificate of guarantee
        
        
          includes assay, minimum transmission at certain
        
        
          defined wavelengths in UV range, moisture
        
        
          content, non-volatilematter etc.
        
        
          DIAGNOSTIC REAGENTS :
        
        
          These are specially produced for the use of
        
        
          various hospitals, clinical & pathological
        
        
          laboratories for diagnostic purpose.
        
        
          BIOLOGICAL STAINS :
        
        
          These chemicals are provided as power
        
        
          and ready to use solutions for Microbiology,
        
        
          Histology, Haematology and Cytology. Stringent
        
        
          testing on all batches is performed to ensure all
        
        
          specifications are satisfied. They correspond
        
        
          normally to the specifications given in H.J. Conns
        
        
          Biological Stains (1977).
        
        
          BIOCHEMICALS :
        
        
          H i gh l y pu r i f i ed r eagen t s for use i n
        
        
          biochemical research and analysis. They are free
        
        
          from inhibitors such as traces of heavy metals and
        
        
          tested with a view of biochemical work. Our range
        
        
          includes alkaloids, amino acids, buffers,
        
        
          carbohydrates, enzymes, enzyme substrates,
        
        
          nucleotides and derivatives etc.
        
        
          MICROBIOLOLOGY :
        
        
          A broad range of culture media bases,
        
        
          additives, stains and indicators for use in detection,
        
        
          growth and identification of microorganisms.
        
        
          ION PAIR CHROMATOGRAPHY :
        
        
          H i gh l y pu r e add i t i ve s f o r i on pa i r
        
        
          chromatography are suitable for detection in the
        
        
          low UV range. Reagents of this special quality
        
        
          i n spec t ed by mean s o f a f i l t e r t es t, a
        
        
          cyclovoltagramand gradient test at 205 nm
        
        
          PESTICIDE RESIDUE TRACE ANALYSIS SOLVENTS :
        
        
          The range of high purity solvents Pesticide
        
        
          Residue Trace Analysis has been specifically
        
        
          designed for the analysis of pesticide residues in
        
        
          the food industry and in the environmental control,
        
        
          for example in drinking water. Our solvents are
        
        
          carefully controlled by Gas Chromatography. The
        
        
          analysis is made over a sample 500 fold
        
        
          concentrated. Then the sample is injected in the
        
        
          Gas Chromatograph using the ECD detector.
        
        
          SINGLE ELEMENT STANDARD SOLUTIONS FOR AAS,
        
        
          ICP :
        
        
          We have introduced Ready for use Single Element
        
        
          Standard solution for trace metal analysis in AAS &
        
        
          ICP. ICP and AAS standard solutions supply by us
        
        
          have following features:
        
        
          Ÿ
        
        
          Each element solutions are traceable to NIST.
        
        
          Ÿ
        
        
          Manufactured from the high-Purity D.I. Water,
        
        
          metal-free Acids and high-purity metal & metal
        
        
          salts.
        
        
          Ÿ
        
        
          High quality and economical price.
        
        
          
            QUALITY
          
        
        
          
            DESIGNATION
          
        
        
          www.lobachemie.com
        
        
          xiv