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ChemWifi – Quality control & Quality assurance guideline of Textile & Leather
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Leather Testing

Determination of Nitrogen & Hide Substance in leather

November 5, 2023January 1, 2021

Nitrogen & Hide Substance in Leather  SCOPE This method prescribes a procedure for the determination of the total amino nitrogen …

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Determination of Sulphated Ash of water soluble matter – Leather Accessories

November 5, 2023December 19, 2020

Sulphated Ash of water Soluble Matter  PRINCIPLE A specified amount of leather is shaken with water in a shaker under …

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Determination of Solvent Extractable Subs – Leather Accessories

November 5, 2023December 17, 2020

Solvent Extractable Substance    SCOPE This SOPs is intended for the determination of substances which are extractable in Dichloromethane or …

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Determination of Water Soluble Matter – Leather Materials

November 5, 2023September 8, 2020

Water Soluble Matter APPARATUS:- Evaporating dish- 50 Muffle furnace – 800 ± 25°C Desiccator Mechanical shaker Oven  – 102 ± …

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Determination of Chromium content – Leather Materials

November 5, 2023June 8, 2019

CHROMIUM OXIDE CONTENT  WET OXIDATION METHOD APPARATUS Desiccator. Erlenmeyer flask – 300 ml capacity Conical flask – with stopper Heating …

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