Browse Standards
Found: 226547 — page 4174 of 4720
Superseded
YS/T 229.1-1994 — High pure lead. Determination of silver, copper, bismuth, aluminum, nickel, tin, magnesium and iron contents. Spectrochemical method
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YS/T 229.2-1994 — High pure lead. Determination of arsenic content. Arsenic-molybdenum blue photometric method
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YS/T 229.3-1994 — High pure lead. Determination of antimony content. Malachite green photometric method
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YS/T 231-1994 — Technical requirements for tungsten concentrate
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YS/T 235-1994 — Technical requirements for molybdemum concentrate
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YS/T 236-1994 — Technical requirements of lepidolite concentrate
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YS/T 237-1994 — The classification brand and nomenclature of the mining chemicals
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YS/T 239.1-1994 — Chemical analysis of antimony trisulfide
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YS/T 239.2-1994 — Chemical analysis of antimony trisulfide. The barium sulfate gravimetric method for determination of combined sulfur
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YS/T 239.3-1994 — Chemical analysis of antimony trisulfide. The combustion-iodine volumetric method for determination of free sulfur
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YS/T 239.4-1994 — Chemical analysis of antimony trisulfide. Gravimetric method for determination of aqua-regia insolubles
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YS/T 239.5-1994 — Chemical analysis of antimony trisulfide Gravimetric method for determination of hydrochloric acid insolubles
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YS/T 241-1994 — As-sintered hard metal blanks used in cold forging dies for steel ball
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YS/T 245-1994 — Sintered molybdenum alloy mandrels for tube rolling
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YS/T 247-1994 — Cadmium round bars
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YS/T 249-1994 — Dithiophosphate25
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YS/T 254.1-1994 — Methods for chemical analysis of beryllium concentrates-beryl The phosphate gravimetric method for the determination of beryllium oxide content
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YS/T 254.2-1994 — Methods for chemical analysis of beryllium concentrates-beryl The EDTA volumetric method for the determination of ferric sesquioxide content
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YS/T 254.3-1994 — Methods for chemical analysis of beryllium concentrates-beryl The molybdenum blue photometric method for the determination of phosphorus content
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YS/T 254.4-1994 — Methods for chemical analysis of beryllium concentrates-beryl The atomic absorption spectrophotometric method for determination of lithium oxide content
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YS/T 254.5-1994 — Methods for chemical analysis of beryllium concentrates-beryl The ion selective electrode method for the determination of fluorine content
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YS/T 254.6-1994 — Methods for chemical analysis of beryllium concentrates-beryl The atomic absorption spectrophotometric method for the determination of calcium oxide content
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YS/T 254.7-1994 — Methods for chemical analysis of beryllium concentrates-beryl The gravimetric method for the determination of water content
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YS/T 260-1994 — Beryllium copper master alloy ingot
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YS/T 261-1994 — Spodumene concentrate
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YS/T 262-1994 — Beryl concentrate
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YS/T 264-1994 — High purity indium
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YS/T 265-1994 — High purity lead
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YS/T 266-1994 — Exhalent tube for aircraft radiator
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YS/T 267-1994 — Tube for telescopic antenna
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YS/T 268-1994 — Sodium ethyl xanthate
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YS/T 270-1994 — Ethyl thio carbamate
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YS/T 277-1994 — Nickel monoxide
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YS/T 278-1994 — Ammonium dibutyl dithiophosphate
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YS/T 279-1994 — Sodium dithiophosphate 25
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YS/T 280-1994 — Sodium dibutyl dithiophosphate
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YS/T 281.1-1994 — Cobalt - Determination of iron content - Sulfosalicylic acid spectrophotometric method
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YS/T 281.10-1994 — Cobalt - Determination of nickel content - Flame atomic absorption spectrophotometric method
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YS/T 281.11-1994 — Cobalt - Determination of copper and manganese contents - Flame atomic absorption spectrophotometric method
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YS/T 281.12-1994 — Cobalt - Determination of arsenic antimony bismuth tin and lead contents - Flame atomic absorption spectrophotometric method
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YS/T 281.13-1994 — Cobalt - Determination of sulfur content - Oscillopolarographic method after distillation
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YS/T 281.14-1994 — Cobalt - Determination of sulphur content - Infra-red absorption method after high frequency induction furnace combustion
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YS/T 281.15-1994 — Cobalt - Determination of carbon content - Infra-red absorption method after high frequency induction furnace combustion
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Withdrawn
YS/T 281.16-1994 — Cobalt - Determination of carbon content - Combustion-coulometric method
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YS/T 281.2-1994 — Cobalt - Determination of aluminium content - Chromazurol S-P-octyl polyethylene glycol phenyl ether-tetradecyl phridinium bromine mixed micellar solubilization spectrophotometric method
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YS/T 281.3-1994 — Cobalt - Determination of silicon content - Molybdenum blue spectrophotometric method
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YS/T 281.4-1994 — Cobalt - Determination of arsenic content - Molybdenum blue spectrophotometric method
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YS/T 281.5-1994 — Cobalt - Determination of phosphorus content - Molybdenum blue spectrophotometric method
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