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NBN T 04-093-1983 5000 Ethanol for industrial use - Determination of methanol content [methanol contents between 0 10 and 1 50 % (V V)]- Visual colorimetric method《工业用乙醇,甲醇含量的测定[甲醇.pdf 1

NBN T 04-093-1983 5000 Ethanol for industrial use - Determination of methanol content [methanol contents between 0 10 and 1 50 % (V V)]- Visual colorimetric method《工业用乙醇,甲醇含量的测定[甲醇.pdfNBN T 04-093-1983 5000 Ethanol for industrial use - Determination of methanol content [methanol contents between 0 10 and 1 50 % (V V)]- Visual colorimetric method《工业用乙醇,甲醇含量的测定[甲醇.pdf

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NBN T 04-092-1983 0625 Ethanol for industrial use - Determination of methanol content[ methanol contents between 0 01 and 0 20 % (V V)] - Photometric method《工业用乙醇，甲醇含量的测定[甲醇含量在 0 0.pdf 1

NBN T 04-092-1983 0625 Ethanol for industrial use - Determination of methanol content[ methanol contents between 0 01 and 0 20 % (V V)] - Photometric method《工业用乙醇，甲醇含量的测定[甲醇含量在 0 0.pdfNBN T 04-092-1983 0625 Ethanol for industrial use - Determination of methanol content[ methanol contents between 0 01 and 0 20 % (V V)] - Photometric method《工业用乙醇，甲醇含量的测定[甲醇含量在 0 0.pdf

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NBN T 04-091-1983 1875 Ethanol for industrial use - Test for miscibility with water《工业用乙醇，与水的可混合性试验》.pdf 1

NBN T 04-091-1983 1875 Ethanol for industrial use - Test for miscibility with water《工业用乙醇，与水的可混合性试验》.pdfNBN T 04-091-1983 1875 Ethanol for industrial use - Test for miscibility with water《工业用乙醇，与水的可混合性试验》.pdf

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NBN T 04-090-1983 3125 ETHANOL A USAGE INDUSTRIELDOSAGE DES ALDEHYDESMéthode colorimétrique visuelle《工业用乙醇，乙醛含量的测定 目测比色法》.pdf 1

NBN T 04-090-1983 3125 ETHANOL A USAGE INDUSTRIELDOSAGE DES ALDEHYDESMéthode colorimétrique visuelle《工业用乙醇，乙醛含量的测定 目测比色法》.pdfNBN T 04-090-1983 3125 ETHANOL A USAGE INDUSTRIELDOSAGE DES ALDEHYDESMéthode colorimétrique visuelle《工业用乙醇，乙醛含量的测定 目测比色法》.pdf

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NBN T 03-094-1988 1875 Liquefied anhydrous ammonia for industrial use - Determination of water content - Karl Fischer method《工业用液化无水氨，水含量的测定 卡尔 费歇尔法》.pdf 4

NBN T 03-094-1988 1875 Liquefied anhydrous ammonia for industrial use - Determination of water content - Karl Fischer method《工业用液化无水氨，水含量的测定 卡尔 费歇尔法》.pdfNBN T 03-094-1988 1875 Liquefied anhydrous ammonia for industrial use - Determination of water content - Karl Fischer method《工业用液化无水氨，水含量的测定 卡尔 费歇尔法》.pdf

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NBN T 03-093-1988 0625 Liquefied anhydrous ammonia for industrial use - Détermination of water content - Gas chromatographic method《工业用液化无水氨 水含量的测定 气体色析法》.pdf 4

NBN T 03-093-1988 0625 Liquefied anhydrous ammonia for industrial use - Détermination of water content - Gas chromatographic method《工业用液化无水氨 水含量的测定 气体色析法》.pdfNBN T 03-093-1988 0625 Liquefied anhydrous ammonia for industrial use - Détermination of water content - Gas chromatographic method《工业用液化无水氨 水含量的测定 气体色析法》.pdf

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NBN T 03-086-1988 3750 Ammonium bicarbonate (Ammonium hydrogencarbonate) for industrial use (including foodstuffs) -Determination of lead content - Flame atomic absorption method《工.pdf 2

NBN T 03-086-1988 3750 Ammonium bicarbonate (Ammonium hydrogencarbonate) for industrial use (including foodstuffs) -Determination of lead content - Flame atomic absorption method《工.pdfNBN T 03-086-1988 3750 Ammonium bicarbonate (Ammonium hydrogencarbonate) for industrial use (including foodstuffs) -Determination of lead content - Flame atomic absorption method《工.pdf

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NBN T 03-085-1979 9375 Ammonium hydrogen carbonate for industrial use (including food-stuffs) - Determination of arsenic content - Silver diethyldithio-carbamate photometric method.pdf 5

NBN T 03-085-1979 9375 Ammonium hydrogen carbonate for industrial use (including food-stuffs) - Determination of arsenic content - Silver diethyldithio-carbamate photometric method.pdfNBN T 03-085-1979 9375 Ammonium hydrogen carbonate for industrial use (including food-stuffs) - Determination of arsenic content - Silver diethyldithio-carbamate photometric method.pdf

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NBN T 03-084-1979 6875 Ammonium hydrogen carbonate for industrial use (including food-stuffs) - Determination of total carbon dioxide content - Titri-metric method《工业用碳酸氢铵（包括食品） 总二.pdf 6

NBN T 03-084-1979 6875 Ammonium hydrogen carbonate for industrial use (including food-stuffs) - Determination of total carbon dioxide content - Titri-metric method《工业用碳酸氢铵（包括食品） 总二.pdfNBN T 03-084-1979 6875 Ammonium hydrogen carbonate for industrial use (including food-stuffs) - Determination of total carbon dioxide content - Titri-metric method《工业用碳酸氢铵（包括食品） 总二.pdf

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NBN P 32-015-1977 0625 zinc and zinc alloys - Spectrographic analysis《锌和锌合金 光谱放射分析》.pdf 8

NBN P 32-015-1977 0625 zinc and zinc alloys - Spectrographic analysis《锌和锌合金 光谱放射分析》.pdfNBN P 32-015-1977 0625 zinc and zinc alloys - Spectrographic analysis《锌和锌合金 光谱放射分析》.pdf

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