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Chromatography

Gas Chromatography (GC)

Gas Chromatography- Head Space (GC-HS)

  • Detectors FID / ECD P
  • urity / Impurity Profiling
  • Fatty Acid Methyl Esters
  • Method Development / Method Validation
  • Quantification of Organic Volatile Impurities / Residual Solvents by Head Space.

High Performance Liquid Chromatography (HPLC)

  • Detectors - UV- Vis / PDA / RI
  • Purity / Impurity Profiling
  • Method Development / Method Validation

Gas Chromatography Mass Spectrometry (GCMS)

  • Unknown Volatile Organic Components Identification having melting / Boiling Point of < 300 degC and Molecular Wt upto 600 m/z
  • Poly Chlorinated Biphenyls, Poly Aromatic Hydrocarbons, Organotin, BHT, Bisphenol A, Aryl Amines by GCMS

Liquid Chromatography Mass Spectrometry (LCMS & MS-DIP)

  • Unknown Non Volatile Organic Components Identification having melting / Boiling Point of More than 300 degC and Molecular Wt upto 20000 m/z

Gel Permeation Chromatography (GPC)

  • Determination of Molecular Weight, Molecular Number & Polydispersity of Polymer Sample
  • Sample solubility – Water / Chloroform / THF

Ion Chromatography

  • Anions – Chloride, Bromide, Fluoride, Nitrite, Nitrate, Phosphate, Sulphate, Chlorite, Chlorate, Carbonate
  • Cations – Sodium, Lithium, Potassium, Calcium, Magnesium, Ammonium, Manganese

 

Thermoanalytical Techniques

Thermogravimetry Analysis (TGA) (From Ambient to 900 deg C)

Differential Scanning Colorimetry (DSC) (- 75 deg C to 490 deg C)


  • Melting Behavior, Glass Transition, Heat of Fusion, Thermal Stability, Specific Heat.

 

Spectroscopy

UV - Visible Spectroscopy (UV-Vis)

Fourier Transform Infra-Red Spectroscopy (FTIR & FTIR - ATR)

Inductive Couple Plasma - Optical Emission Spectroscopy (ICP-OES)

  • Elements : Al, As, Ag, B, Ba, Bi, Ca, Cd, Co, Cr, Cu, Fe, Ga, Hg, In, K, Li, Mg, Mn, Mo, Na, Ni, P, Pb, S, Se, Si, Sn, Sr, Ti, Tl, V, Zn, Zr

Microwave Plasma Atomic Emission Spectroscopy [ MPAES ]

  • Elements :Ag, Al, As, Au, Ba, Be, Ca, Cd, Co, Cr, Cu, Fe, K, Mg, Mn, Mo, Na, Ni, Pb, Pd,Pt, Ru, S, Se, Sr, Te, Th, Tl, Zn

Atomic Absorption Spectrophotometry (AAS)

  • Elements :Fe, Co, Ni, Cu, Zn, Cr, Cd, Pb, Al, Mn, Na, K, Ca, Mg, Al, Si, Sb, Hg, AS, Se, Pd etc.

Energy Dispersive X - Ray Fluorescence Spectroscopy (ED - XRF)

  • Qualitative Detection of Elements from Sodium to Uranium in the Periodic Table.

Nuclear Magnetic Resonance Spectroscopy (NMR)

  • 1H, 13C, 19F, 31P NMR

Colour Measurement by Macbeth Spectrophotometer

  • Colour Measurement [ L, a, b Values ] or Reflectance / Whiteness / Brightness / Yellowness Index
  • Colour Difference [ K/S, Delta E ] Sample Vs. Standard

Particle Size Analysis

Particle Size Analysis By Malvern Mastersizer

(Laser Diffraction based with Dry Powder Feeder Attachment).

  • Particle Size from 0.02 um to 2000 um

Zeta Potential Analysis By Malvern Mastersizer

Particle Size Analysis By Sympatec

  • Particle Size from 0.1 um to 875 um

Particle Size Analysis By Sedigraph

  • Particle Size from 0.1 um to 45 um

Microscopy

SEM - EDAX

Scanning Electron Microscopy (SEM)

Transmission Electron Microscopy (TEM )

Crystal Phase & Surface Analysis Techniques

X - Ray Diffraction (XRD)

  • 2 Theta Range – 4 to 60 & 4 to 80 / % Crystallinity / Crystal Size

Surface Area & Pore Volume Analysis by BET

Porosity Measurement by Mercury Porosimeter

Surface Tension by Surface Tensiometer – Platinum Ring Method

Elemental Analysis Using Elemental Analyzer

  • C, H, N, S,O Analysis

Total Organic Carbon Analysis [ TOC ]

Other Analysis

  • pH
  • Loss on Drying
  • Moisture Content by K.F. (Karl Fischer)
  • Bulk Density / Specific Gravity
  • Pour Point / Cloud Point
  • Melting Point / Boiling Point
  • Refractive Index by Abbe Refractometer
  • Flash Point / Aniline Point
  • Color by APHA / Gardner Scale
  • Specific Optical Rotation
  • Calorific Value by Bomb Calorimeter
  • Ash / Sulphated Ash / Acid Insoluble Ash
  • Acid Value / Sap Value / Iodine Value / Ester Value
  • COD / BOD
  • Total Dissolved Solid
  • Viscosity by Brook Field Viscometer / Ford Cup / Red Wood / U Tube
  • Kinematic Viscosity at 40 & 100 Deg C
  • Oil Absorption
  • Mesh Size by Sieving
  • Filler Content for Plastics
  • Hexa Valent Chromium by UV
  • Nitrogen Content by Kjeldhal
  • Copper Corrosion Test
  • Free Formaldehyde [ISO 14184 - Part 1]
  • Release Formaldehyde [ISO 14184 - Part 2]
  • Izo Impact
  • Flexular Strength
  • Melt Flow Index
  • Elongation at Break
  • Softening Point of Grease
  • Titration & Gravimetric Analysis

Microbiological Analysis

Textile Material

  • Antibacterial activity of fabrics assessment of textile materials- Parallel Streak Method
    [ AATCC-147-2004 ]
  • Antibacterial Finishes on textile materials
    [ AATCC-100-2004 ]
  • Determining the Antimicrobial activity of Immobilized Antimicrobial agents under Dynamic contact conditions
    [ASTM: E2149-01 ]
  • Evaluation of Antibacterial activity of textile Materials: Agar Diffusion Plate Test
    [ ISO 20645-2004 ]
  • Testing of antibacterial activity and Efficacy on Textile products
    [ JIS L 1902:2002 ]
  • Determination of population of Microorganism on Product
    [ IS; ISO/FDIS 11737-1; Part 1; 2005 ]
  • Mosquito Repellency
    [ U.S. Patent 5,198,287 ]
  • Mosquito Repellency
    [ Modified WHO/CTD/WHO - PES/IC/96.1 ]
  • Assessment of Dust Mite Properties of Textiles
    [ AATCC Test Method Draft 5, Jan 2005 ]
  • Assessment of Antifungal Activity of Textile Materials
    [ MIL-STD-810F Method 508.5.1-12 January 2000 ]
  • Assessment of Antifungal Activity of Textile & other Materials
    [ AATCC Test Method 30 III ]

Non Textile Material such as Plastic Glazed Surfaces

  • Antimicrobial Products- Test for antimicrobial activity and Efficacy
    [ JIS Z 28.1-2000 ]

Polymeric Materials

  • Determining Resistance of Synthetic Polymeric Materials to Fungi
    [ ASTM: G-21 ]

 Any Surface or Material Contaminated with Microbes

  • Identification of Pathogenic Bacteria/ Fungi / Protozoa, Cysts
    [ Bergy’s Manual of Determinative Bacteriology, 2000; ASM Manual ]

Chemicals / Any Antimicrobial Formulations

  • Minimum Inhibitory Concentration (MIC) for any one organism; Tube Method
    [ ASM Methods ]
  • Minimum Bactericidal Concentration (MBC) for any one organism; Plate Method
    [ ASM Methods ]
  • Antifungal Activity by Plate Method
    [ ASM Methods ]
  • Time Kill Test using Bacteria, Fungi & Algae
    [ API RP-38 Method 2002 ]
  • Preservative Effectiveness for organisms - Preservative Challenge Test
  • In Vitro Cytotoxicity Test. This test is done on Mouse Kidney Cell Line L929.
    It can be done Qualitatively and Quantitatively. Quantitatively can be done by
    MMT Assay. Test Method is EN ISO 10993-5:2009


Paints

  • Resistance to growth of mold on the surface of interior paint coatings in an environmental chamber (Evaluation of Antifungal activity of paint samples on applied surfaces)
    [ ASTM D 3273-05 ]
  • Evaluating Degree of Surface Disfigurement of Paint Films by Microbial Growth
    (Fungal or Algal) on soil & Dirt Accumulations
    [ASTM D 3274-2002 ]
  • To assess the performance of in-can Oxford Cylinder cup Preservatives;
    Qualitative method bioassay
  • To assess the performance of preservative Filter Paper Method in exterior paint;
    Qualitative method


Water Samples - Drinking Water/ Swimming Pool water

  • Total Plate Count [ IS 1622 - 1981 ]
  • Enumeration of coliforms by MPN Method [ IS 1622 - 1981 ]
  • Enumeration of coliforms by Membrane Filter Assembly [ IS 1622 - 1981 ]
  • Enumeration of Escherichia coli by MPN Method [ IS 1622 - 1981 ]
  • Enumeration of Clostridium welchii [ IS 1622 - 1981 ]
  • Faecal Streptococci [ IS 1622 - 1981 ]

Food Samples – Cereals, Pulses & Cereal Products, Herbs, Spices & Condiments, Canned & Processed Food,Milk & Dairy Products,
Fruit & Fruit Products,Animal Feeds

  • Total Bacterial Count
    [ IS 5402: 2002 / ISO 4833:1991 / Reaffirmed 2007 ]
  • Total Yeast & Mould Count
    [ IS 5403: 1999, Reaffirmed 2005 / Reaffirmed 2009 ]
  • Enumeration of Coliforms
    [IS 5401 (Part 1): 2002 / ISO 4832 : 1991 / Reaffirmed 2007 ]
  • Detection & Identification of Escherichia coli
    [IS 5401 (Part 1): 2002 / ISO 4832 : 1991 / Reaffirmed 2007 ]
  • Enumeration of Escherichia coli by Plate Method
    [IS 5401 (Part 1): 2002 / ISO 4832 : 1991 / Reaffirmed 2007 ]
  • Enumeration of Escherichia coli by MPN Method
    [IS 5401 (Part 1): 2002 / ISO 4832 : 1991 / Reaffirmed 2007 ]
  • Detection of Salmonella
    [IS 5887 (Part 3): 1999 / ISO 6579 : 1993 / Reaffirmed 2009 ]
  • Detection of Shigella
    [IS 5887 (Part 7): 1999 / Reaffirmed 2009 ]
  • Detection / Enumeration of S.aureus by Plate Method
    [IS 5887 (Part 2): 1999 / Reaffirmed 2009 ]
  • Enumeration of Faecal Streptococci by Plate Method
    [IS 5887 (Part 2): 1999 / Reaffirmed 2009 ]
  • Enumeration of Faecal Streptococci by MPN Method
    [IS 5887 (Part 2): 1999 / Reaffirmed 2009 ]
  • Enumeration & Confirmation of Bacillus cereus
    [IS 5887 (Part 6): 1999 / ISO 7932 / Reaffirmed 2009 ]
  • Detection / Enumeration of Clostridium perfringens
    [IS 5887 (Part 4): 1976 / Reaffirmed 2009 ]
  • Enumeration of Pseudomonas aeruginosa
    [IS 14843 : 2000 / ISO 13720 : 1995 / Reaffirmed 2009 ]
  • Detection of Vibrio cholerae
    [IS 5887 (Part 5): 1976 / Reaffirmed 2009 ]
  • Detection of Listeria monocytogenes – Part 1
    [IS 14988 (Part 1) : 2001 / ISO 11290-1 : 1996 / Reaffirmed 2007 ]
  • Detection of Listeria monocytogenes – Part 2
    [IS 14988 (Part 2) : 2001 / ISO 11290-1 : 1996 / Reaffirmed 2009 ]