RA-620¸ß¾«¶È×Ô¶¯ÕÛ¹âÒÇ/ÌÇ¶È¼Æ Refractometer/Brix Meter
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µ±¹â´ÓÕÛ¹âÂÊΪnµÄ±»²âÎïÖʽøÈëÕÛ¹âÂÊΪNµÄÀ⾵ʱ£¬ÈëÉä½ÇΪi,ÕÛÉä½ÇΪr,Ôò: Sin i / Sin r = N / n¡¡¡..(1) ÔÚÕÛÉäÒÇÖУ¬ÈëÉä½ÇI = 90¡ã£¬´úÈËʽ(1)µÃ: 1 / Sin r = N / n n = N ? Sin r¡¡¡¡¡¡.(2) Àâ¾µµÄÕÛ¹âÂÊNΪÒÑÖªÖµ£¬Ôòͨ¹ý²âÁ¿ÕÛÉä½Çr¼´¿ÉÇó³ö±»²âÎïÖʵÄÕÛ¹âÂÊn¡£
RA-620¸ß¾«¶È×Ô¶¯ÕÛ¹âÒÇ/ÌÇ¶È¼Æ ·ûºÏ: SH/T 0724 ÒºÌåÌþµÄÕÛÉäÂʺÍÕÛÉäÉ«É¢²â¶¨·¨ SH/T 0205 µçÆø¾øÔµÒºÌåµÄÕÛÉäÂʺͱÈÉ«É¢²â¶¨·¨ GB/T 6488 ÒºÌ廯¹¤²úÆ· ÕÛ¹âÂʵIJⶨ(20¡æ) GB/T 614 »¯Ñ§ÊÔ¼Á ÕÛ¹âÂʲⶨͨÓ÷½·¨
ASTM D1218 Standard Test Method for Refractive Index and Refractive Dispersion of Hydrocarbon Liquids(Һ̬ÌþµÄÕÛÉäÂʺÍÕÛÉä·ÖÉ¢¶ÈµÄ²âÊÔ·½·¨) ASTM D1747 Standard Test Method for Refractive Index of Viscous Materials(Õ³ÐÔ²ÄÁÏÕÛÉäÖ¸ÊýµÄ²âÊÔ·½·¨) ASTM D1807 Standard Test Methods for Refractive Index and Specific Optical Dispersion of Electrical Insulating Liquids(µç¾øÔµÒºÌåÕÛÉäÖ¸ÊýºÍ±È¹âÉ¢¶ÈµÄÊÔÑé·½·¨) ASTM D5006 Standard Test Method for Measurement of Fuel System Icing Inhibitors (Ether Type) in Aviation Fuels(²âÁ¿º½¿ÕȼÁÏÖÐȼÁÏϵͳ½á±ùÒÖÖƼÁ(ÃÑÐÍ)µÄÊÔÑé·½·¨)
ISO 1743:1982 Glucose syrup - Determination of dry matter content - Refractive index method(ÆÏÌÑÌǽ¬¹ÌÌåÎïÖʵĺ¬Á¿²â¶¨ÕÛ¹âÂÊ·¨)
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