Chemical Testing

Sl. no.	Test parameters	Testing standard	Technique/instrument
1.	Composition analysis (identification of fibres & their composition including flax/cotton & jute/cotton)	AATCC, ASTM	Microscope, DSC, etc.
2.	Colour fastness to washing, rubbing, water, perspiration, saliva, light, etc. (Total @ 40 tests)	IS, ISO, AATCC, ASTM, DIN	Launderometer, Crockmeter, Xenotester, Perspirometer, etc.
3.	Wet processing analysis – lab dyeing using sample dyeing machines and computer colour matching	AATCC, ASTM, IS, ISO, In- house	Ahiba polymat, Winch, HTHP Soft overflow dyeing machine, Milton Roy & macbeth, Spectrophotometer, etc.
4.	Fabric defect analysis – contamination, stain removal, shade variation within and between samples, dark and light patches, strength loss, blended fabric faults, finishing defects, etc.	In house	Microscope, Spectroscope, Thermal and Physical / Chemical techniques, etc.
5.	Garments/fabric general testing – dimensional stability, appearance after laundering, DP rating, spirality/skewness of fabrics, absorbency, water repellency, flammability, etc.	AATCC, ISO	Standard washing machine, Flammability tester, Repellency tester, Quickwash plus, etc.
6.	Fibre, yarn and fabric chemical analysis, viz spin finish, wax content, barium activity number, finish identification, etc.	AATCC, IS, ISO, In house	Microwave assisted extraction, autotitrator, etc.
7.	Chemical analysis – purity of chemicals used for textile industry, analysis of sizing chemicals, viz. starch, PVA, CMC, etc. Analysis of oils/waxes used for textile industry, viz. kinematic viscosity, acid value, saponification value, scourability/ washability, density, etc.	AATCC, IS, ISO, In house	Viscometry, Titrimetry, Solvent extraction, Autotitrator, etc.
8.	Analysis of water, effluents and sludges	APHA, IS, PCB Norms	AAS, Calorimetry with Spectroscopy, Titrimetry, electro chemical methods, etc.
9.	Eco parameters to meet Oeko Tex 100 specification – pH of aqueous extract, formaldehyde, heavy metals, banned arylamines, chlorinated pesticides, chlorinated phenols, phthalate esters, organo metallic tins, colour fastness tests, etc.	LMBG, ISO, DIN, In house	pH meter, UV-VIS, GC-MS/ECD, HPLC, HPTLC, AAS/Flame/ GF/HG, etc.

Samples required for chemical testing