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At Green Tree Testing Labs (GTTL), we offer a comprehensive range of analytical and quality testing services to support pharmaceutical, nutraceutical, and biotech industries. Our state-of-the-art laboratories ensure precise, reliable, and regulatory-compliant results.

Analytical Method Development Validation & Verification

Summary

Development, validation, and verification of analytical methods to ensure accuracy and compliance with industry standards.
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Quality Control & Release Testing

Summary

Comprehensive testing to ensure product quality, safety, and compliance before market release.
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Impurity Profiling & Trace Metal Analysis

Summary

Identification and quantification of impurities and trace metals to meet regulatory standards.
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Dissolution Profile & Formulation Analysis

Summary

Evaluation of drug release profiles and formulation integrity for consistent product performance.
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Extractable & Leachable Analysis / Biocompatibility Studies

Summary

Assessment of potential contaminants from packaging materials and medical devices.
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Stability & Photostability Testing

Summary

Long-term, accelerated, and photostability studies to determine product shelf life.
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Nuclear Magnetic Resonance (NMR) & Mass Spectrometry (MS) Analysis

Summary

Advanced structural elucidation and characterization of pharmaceutical compounds.
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1. Analytical Method Development, Validation & Verification

At Green Tree Testing Labs (GTTL), we specialize in developing, validating, and verifying analytical methods to ensure accuracy, reliability, and regulatory compliance. Our expertise includes:
  • Assay estimation  by using  HPLC ,GC,UV ,IR ,LC-MS and NMR
  • Related Substance Estimation by
  • Advanced Detection Technologies – Utilizing UV, RI, and PDA for precise identification and quantification.
  • Stability-Indicating Assays – Development of methods to assess drug substances and drug products, ensuring stability and regulatory compliance.
  • Enantiomeric Separation – Specialized techniques for the separation and analysis of chiral compounds.
  • Dose Verification for GLP Studies – Accurate assessment of dosage levels in Good Laboratory Practice (GLP) studies.
  • Preservatives & Antioxidants Analysis – Identification and quantification of stabilizing agents in formulations.
  • Cleaning Validation – Ensuring effective removal of residues from manufacturing equipment.
  • Process Validation – Comprehensive evaluation of manufacturing processes for consistency and quality assurance.
    • Our team ensures that every method is robust, reproducible, and compliant with industry standards, supporting pharmaceutical, nutraceutical, and biotech companies in achieving regulatory success.

2. Quality Control & Release Testing

At Green Tree Testing Labs (GTTL), we are doing the testing of  pharmaceutical  products and substance ,to ensure the highest quality and regulatory requirements before reaching the market as per IP,BP,USP,JP and In-House standards  for our clients. Our comprehensive Quality Control & Release Testing
facilities as follows:
  • Chromatographic Analysis – Advanced testing using HPLC (High-Performance Liquid Chromatography) and GC (Gas Chromatography) for precise compound identification and quantification.
  • Spectroscopic Analysis – Accurate characterization using UV (Ultraviolet) and IR (Infrared) spectroscopy.
  • Dosage Form Testing – Analytical assessment for various formulations, including syrups, gels, capsules, creams, patches, and solid orals.
  • Dissolution, Hardness & Friability – Ensuring the integrity and performance of solid oral dosage forms.
  • Trace Eements Analysis – Detection of heavy metals using AAS (Atomic Absorption Spectroscopy) with hydride generation.
  • Wet Chemical Analysis – Comprehensive testing for Assay, Loss on Drying (LOD), Karl Fischer (KF) moisture analysis, Melting Range, Residue on Ignition (ROI), and Limit Tests.
  • Thin Layer Chromatography (TLC) – Qualitative analysis for compound identification.
  • Physical & Chemical Properties Testing – Including Optical Rotation, Conductivity, Viscosity, Bulk Density, and Leak Testing.
    • With cutting-edge technology and a commitment to accuracy, GTTL ensures that all products meet stringent quality standards, providing reliable, regulatory-compliant results.

3. Impurity Profiling & Trace Metal Analysis

At Green Tree Testing Labs (GTTL), we offer precise impurity profiling and trace metal analysis to ensure compliance with regulatory standards and product safety. Our specialized services include:

  • Elemental Impurities Analysis – Method development and validation using AAS (Atomic Absorption Spectroscopy) for Class 1, 2A & 2B elements, as per regulatory guidelines.
  • Content Analysis – Accurate quantification and validation of impurities using LC (Liquid Chromatography) and GC (Gas Chromatography).
  • Leaching Studies – Assessment of extractable and leachable substances using AAS & GC to ensure material safety.
  • Biocompatibility Testing – Specialized analysis for intraocular lenses using GC, LC, and AAS, ensuring safety and compliance for medical applications.
  • With advanced analytical techniques and regulatory expertise, GTTL delivers accurate, reliable, and compliant impurity testing solutions for the pharmaceutical, nutraceutical, and biotech industries.

4.Dissolution Profile & Formulation Analysis

At Green Tree Testing Labs (GTTL), we offer precise impurity profiling and trace metal analysis to ensure compliance with regulatory standards and product safety. Our specialized services include:
  • Dissolution Testing – Evaluation of solid oral dosage forms using USP Apparatus 1 (Basket) & USP Apparatus 2 (Paddle) to assess drug release profiles.
  • Hardness & Friability – Mechanical integrity testing to ensure tablet durability and resistance to breakage.
  • Content Uniformity – Assessment of uniform drug distribution within individual dosage units to maintain batch consistency.
  • Delivered Dose Uniformity – Measurement of mean delivered dose and dose uniformity for inhalers, ensuring precise drug delivery.
  • Impurity Identification & Quantification – Detection and determination of impurities to comply with industry safety standards.
  • Chromatographic Analysis – Advanced testing using HPLC (High-Performance Liquid Chromatography) and GC (Gas Chromatography) for accurate formulation analysis.
  • Spectrophotometric Analysis – Characterization of drug formulations using UV-Vis and IR spectroscopy for qualitative and quantitative assessments.
    • With state-of-the-art instrumentation and expertise, GTTL ensures reliable, precise, and compliant formulation analysis to support pharmaceutical and biotech companies in achieving high-quality drug development and manufacturing.

5. Extractable & Leachable Analysis

At Green Tree Testing Labs (GTTL), we offer comprehensive extractable and leachable (E&L) analysis to ensure the safety and compatibility of pharmaceutical packaging, medical devices, and drug delivery systems. Our specialized services include:
  • Controlled Extraction Studies – Utilizing HPLC (High-Performance Liquid Chromatography), GC (Gas Chromatography), and AAS (Atomic Absorption Spectroscopy) for extractable screening of organic and inorganic compounds with detailed data interpretation.
  • Analytical Evaluation & Safety Threshold Determination – Establishing Analytical Evaluation Threshold (AET) and Safety Concern Threshold (SCT) to ensure regulatory compliance.
  • Method Development & Validation – Creating and validating analytical methods for identification and Method Development & Validation – Creating and validating analytical methods for identification and quantification of potential leachables in pharmaceutical products.
  • Leachable Monitoring & Routine Testing – Conducting leachable monitoring throughout the product’s shelf life and performing routine extractable testing to assess long-term safety.
    • Our advanced E&L testing solutions help pharmaceutical and medical device companies mitigate risks, comply with regulatory guidelines, and ensure product safety and stability.  

Testimonials

What our client say

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Carol C Medical Director

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Chester Glass Medical Director

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Julian K Medical Director

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Green Tree Testing Labs (GTTL) was founded by a seasoned pharmaceutical and nutraceutical professional with extensive expertise in Analytical Research & Development (AR&D), Quality Control, and Quality Assurance.

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  • Analytical Method Development, Validation & Verification
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