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The Bureau of Indian Standards (BIS) has set specific standards for testing hair dyes. The relevant standards for oxidation hair dyes in liquid, gel, and cream forms are covered under IS 8481:20051. This standard specifically covers hair dyes based on para-phenylenediamine (PPD)/ aryl amine. The BIS has also prescribed standards for other types of hair dyes. IS 10350:2019: Specification for powder hair dyes IS 15205:2005: Specification for oxidation hair dyes (emulsion type) It’s important to note that the manufacturer is at liberty to describe their ‘Hair Dye’ product as ‘Hair Colour’ or ‘Hair Colorant’, since ‘Hair Dye’, ‘Hair Colour’, and ‘Hair Colourant’ are synonyms Please have a look at our website  www.tamilnadutesthouse.com  for further details and mail us to info@tn-th.com  

Understanding your skin type is essential for establishing an effective skincare routine that addresses your specific needs and concerns. With so many products available in the market, tailoring your approach to your skin type can help you achieve a healthier and more radiant complexion. Normal skin: It typically has a balanced level of oil production, appearing neither excessively oily nor overly dry. Pores are generally small and the skin has a smooth texture. If your skin feels comfortable throughout the day and you rarely experience breakouts or dry patches, you likely have normal skin. A basic skincare routine involving gentle cleansing, moisturizing, and sun protection is usually sufficient for normal skin. Occasional exfoliation and targeted treatments for specific concerns can be added. Oily skin: It tends to produce an excess of sebum, leading to a shiny appearance, enlarged pores, and a higher likelihood of acne and blackheads. If your face becomes oily within a few hours of

The CHNS (O) Analyzer is a powerful instrument used for determining the percentages of Carbon ©, Hydrogen (H), Nitrogen 👎, Sulphur (S), and Oxygen (O) in organic compounds. Let me provide you with more details about this fascinating analytical tool: 1. Applications: The CHNS Analyzer finds utility in various fields: Organic compounds: Pharmaceuticals, food, chemicals, polymers, and more. Geological and environmental samples: Determining elemental composition. Metals and alloys: Analyzing carbon, hydrogen, nitrogen, sulfur content. Gasoline, fuels, and coal: Assessing elemental ratios. Building materials: Investigating organic components. 2.Sample Requirements: Samples must be pure, a nd contaminants should be removed. Sample weight should be between 4-5 mg. Liquid samples should have a constant weight. For further information, Please Call us at +91 7550053005 or email at info@tn-th.com . visit us @  https://tamilnadutesthouse.com/

The Bureau of Indian Standards (BIS) has defined the requirements for hair oils in their standard IS 7123: 2019 Hair Oils - Specification (Third Revision). Here are the key parameters specified by this standard: Organoleptic Characteristics: These include sensory properties such as color, odor, and appearance. Hair oils should meet specific criteria for these attributes. Physical Features: Viscosity : The viscosity of hair oils is an important parameter. It affects how easily the oil spreads and penetrates the hair. pH: The pH value indicates the acidity or alkalinity of the oil. It should fall within a specified range. Acid Value : This parameter measures the free fatty acids in the oil. Saponification Value: It reflects the average molecular weight of the fatty acids in the oil. Refractive Index: The refractive index helps determine the purity and composition of the oil. Specific Gravity: This property relates to the density of the oil. Skin Irritation Test: Hair oils are tested

Analyzing the vitamin content in food involves several laboratory techniques. Here's an overview of the common methods used High-Performance Liquid Chromatography (HPLC):  HPLC is a widely used technique for analyzing vitamins, particularly water-soluble vitamins like vitamin C (ascorbic acid), B vitamins (thiamine, riboflavin, niacin, etc.), and fat-soluble vitamins like vitamins A, D, E, and K. This method separates and quantifies individual vitamins based on their chemical properties. Liquid Chromatography-Mass Spectrometry (LC-MS):  LC-MS combines chromatography with mass spectrometry detection to analyze and quantify vitamins in food samples. It offers high sensitivity and selectivity and can be used for both water-soluble and fat-soluble vitamins. UV-Visible Spectrophotometry: UV-visible spectrophotometry is commonly used for analyzing vitamin concentrations, particularly for vitamin A (retinol) and vitamin E (tocopherol), which absorb UV or visible light at specific waveleng

High-Performance Thin Layer Chromatography (HPTLC) finds extensive application in various fields due to its numerous advantages. Let’s explore some of its key applications: 1. Pharmaceutical Industry: HPTLC is widely employed in the pharmaceutical industry for:  Process Development: Optimizing manufacturing processes.  Identification: Identifying compounds and assessing their purity.  Detection of Adulterants: Detecting adulterants in herbal products. Standardization of Herbal Drugs: Ensuring consistent quality of herbal medicines. 2. Herbal Extracts and Formulations: HPTLC is suitable for both qualitative and quantitative analysis of herbal extracts and formulations. Integrated software allows digital storage of analysis parameters and results. Rapid analysis can be performed with minimal mobile phase usage. 3. Clinical Chemistry and Toxicology: HPTLC aids in analyzing clinical samples, detecting toxins, and assessing drug metabolism. It plays a role in forensic chemistry and toxicolo