{"product_id":"gem-master-refractive-index-fluid-1-81-5ml","title":"Gem Master Refractive Index Fluid 1.81 – Refractometer Contact Liquid 5ml","description":"\u003cp\u003eGem Master Refractive Index Fluid 1.81 is a professional optical contact liquid formulated for use with classical gemological refractometers. With a refractive index of nD 1.81, it supports accurate RI measurements and is particularly useful when testing gemstones with higher refractive indices, including many garnets.\u003c\/p\u003e\n\u003cp\u003eIts advanced formulation offers reduced crystallization compared with 1.79 RI fluids, including at lower temperatures, helping provide reliable long-term performance. The fluid is supplied in a practical bottle designed to help minimize spills during use.\u003c\/p\u003e\n\u003cp\u003eIdeal for professional gemologists, jewellers, gemstone dealers, laboratories and gemmology students.\u003c\/p\u003e\n\u003cp\u003eKey Features\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRefractive Index: nD 1.81\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eProfessional contact liquid for gemological refractometers\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSuitable for gemstones with higher refractive indices\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eParticularly useful for testing garnets\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHelps ensure accurate refractive index measurements\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eReduced crystallization compared with 1.79 RI fluids\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFormulated for good stability and long service life\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBottle designed to help minimize accidental spills\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eVolume: 5 ml\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSuitable for professional and educational gemmology\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSpecifications\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Gem Master\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eProduct: Refractometer Contact Liquid\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eRefractive Index: nD 1.81\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eVolume: 5 ml\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eApplication: Gemstone refractive index measurement\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSuitable Equipment: Classical gemological refractometers\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eForm: Optical contact liquid\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant Information\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRefractometer contact liquids are chemical products and must be handled according to the manufacturer's safety instructions. Avoid skin contact and inhalation of vapours, use in a well-ventilated area, keep the container securely closed after use and consult the supplied safety information before handling.\u003c\/p\u003e","brand":"I.DAVID Store","offers":[{"title":"Default Title","offer_id":45284087234862,"sku":"GMI-7037-1,81","price":161.15,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0751\/9309\/0350\/files\/REF_LIQUID-01.jpg?v=1788779001","url":"https:\/\/idavid.be\/products\/gem-master-refractive-index-fluid-1-81-5ml","provider":"I.DAVID","version":"1.0","type":"link"}