China Determination of pH GB Standards Search Result |
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GB/T 13451.2-1992 Determination of relative tinting strength of colored pigments and relative scattering power of white pigments--Photometric methods - 英文版 |
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GB/T 13371-1992 Determination of copper，iron，nickel，magnesium，manganese， zinc and silver in uranium dioxide powders and pellets by atomic absorption spectrophotometry - 英文版 |
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GB/T 13370-1992 Determination of lithium，sodium，potassium and cesium in uranium dioxidepowders and pellets by atomic absorption spectrophotometry/flame emission spectrophotometry - 英文版 |
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GB/T 13302-1991 Steel--Determination of area content of graphite-micrographic method using diagrams - 英文版 |
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GB/T 13266-1991 Water quality--Determination of the acute toxicity of substance to Daphnia (Daphnia magna straus) - 英文版 |
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GB/T 223.16-1991 Methods for chemical analysis of iron，steel and alloy--The chromotropic acid photometric method for the determination of titanium content - 英文版 |
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GB/T 223.12-1991 Methodsfor chemical analysis of iron，steel and alloy--The sodium carbonate separation-diphenyl carbazide photometric method for the determination of chromium content - 英文版 |
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GB/T 13198-1991 Water quality--Determination of specified six polynuclear aromatic hydrocarbons--High performance liquid chromatography - 英文版 |
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GB/T 13197-1991 Water quality--Determination of formaldehyde--Acetylacetone spectrophotometric method - 英文版 |
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GB/T 13194-1991 Water quality--Determination of nitrobenzene， mononi-trotoluene (MNT)， nitrochlorobenzene and oinitrotoluene (ONT)--Gas chromatography - 英文版 |
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GB/T 13192-1991 Water quality--Determination of organic phosphorous pesticide in water--Gas chromatography - 英文版 |
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GB/T 12938-1991 Determination of thiosulphate and other related residual chemicals in processed photographic materials--Iodine-amylose，methylene blue and silver sulphide densito-metric methods - 英文版 |
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GB/T 11848.16-1991 Determination of pHosphorus in uranium ore concentrate by spectrophotometry - 英文版 |
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GB/T 11848.13-1991 Determination of zirconium in uranium ore concentrate by xylenol orange spectrophotometric method - 英文版 |
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GB/T 387-1990 Dark petroleum products--Determination of sulphur content--Tubular oven method - 英文版 |
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GB/T 11987-1989 Surface active agent--Technical alkane sulphonates--Determination of total alkane sulphonates content - 英文版 |
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GB/T 12009.4-1989 Polymethylene polyphenyl isocyanate--Determination of isocyanate content - 英文版 |
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GB/T 11926-1989 Uranium dioxide powder and pellet--Determination of pHosphorus--Molybdenum blue spectrophotometric method - 英文版 |
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GB/T 11910-1989 Water quality--Determination of nickel--Dimethylglyoxime spectrophotometric method - 英文版 |
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GB/T 11909-1989 Water quality--Determination of silver--Spectrophotometric method with 3，5-Br2-PADAP - 英文版 |
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GB/T 11908-1989 Water quality--Determination of silver--Spectrophotometry with cadion 2B - 英文版 |
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GB/T 11907-1989 Water quality--Determination ofsilver--Flame atomic absorption spectrophotometric method - 英文版 |
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GB/T 11906-1989 Water quality--Determination of manganese--Potassium periodate spectrophotometric method - 英文版 |
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GB/T 11905-1989 Water quality--Determination ofcalcium and magnesium--Atomic absorption spectrophotometric method - 英文版 |
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GB/T 11904-1989 Water quality--Determination of potassium and sodium--Flame atomic absorption spectrophotometry - 英文版 |
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GB/T 11902-1989 Water quality--Determination of selenium--Diaminonaphthalene fluorometric method - 英文版 |
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GB/T 11900-1989 Water quality--Determination of trace amounts of arsenic--Spectrophotometric method with silver salt - 英文版 |
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GB/T 11898-1989 Water quality--Determination of free chlorine and total chlorine--Spectrophotometric method using N，N-diethyl-1，4-phenylenediamine - 英文版 |
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GB/T 11897-1989 Water quality--Determination of free chlorine and total chlorine--Titrimetric method using N，N-diethyl-1，4-phenylenediamine - 英文版 |
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GB/T 11895-1989 Water quality--Determination of benzo(a)-pyrene--Acetylated paper chromatography with fluorescence spectrophotometric method - 英文版 |
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