Browse Standards
Found: 226547 — page 4173 of 4720
Superseded
YD/T 719-1994 — Objective measuring method for loudness rating
National·Recommended
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Superseded
YD/T 720-1994 — Telephone inspection procedures
National·Recommended
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$355.00PDF
Superseded
YD/T 723.1-1994 — Optical Cable metal plastic composite tape - Part 1: General requirements
National·Recommended
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$369.00PDF
Superseded
YD/T 723.2-1994 — Optical Cable metal plastic composite tape Part 2: aluminum composite tape
National·Recommended
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$249.00PDF
Superseded
YD/T 723.3-1994 — Optical Cable metal plastic composite tape - Part 3: Steel-plastic composite tape
National·Recommended
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$245.00PDF
Withdrawn
YD/T 726-1994 — Letter stamp canceling machine
National·Recommended
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Withdrawn
YD/T 727-1994 — Electrical characteristics for unbalanced double-current interchange circuits
National·Recommended
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Valid
YD/T 729-1994 — Test method for networking of SPC subscriber exchange
National·Recommended
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Valid
YD/T 730-1994 — Test method for technical indicators of optical transmitters and receivers
National·Recommended
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Superseded
YD/T 731-1994 — Communication with the high-frequency switching rectifier
National·Recommended
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$115.00PDF
Withdrawn
YD/T 732-1994 — Communication with the DC - DC converter test methods
National·Recommended
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$345.00PDF
Withdrawn
YD/T 733-1994 — Communication with the DC - DC power modules
National·Recommended
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Withdrawn
YD/T 735-1994 — Telephone EMC limits and test methods
National·Recommended
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Withdrawn
YS 72-1994 — Cadmium ingots
National·Mandatory
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$169.00PDF
Valid
YS/T 124-1994 — Methods of determination and calculation of heat balance in metallurgical furnaces for production of carbon products. Part 1: Gyration cave
National·Recommended
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$324.007 pages
Superseded
YS/T 201-1994 — Sheets and bands of precious metals and their alloys
National·Recommended
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$135.00PDF
Superseded
YS/T 202-1994 — Precious metal and alloy foil timber
National·Recommended
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$70.00PDF
Superseded
YS/T 207-1994 — Conductive ring with precious metals and their alloys pipes
National·Recommended
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Superseded
YS/T 208-1994 — Palladium alloy foils for purifying hydrogen
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$85.00PDF
Superseded
YS/T 210-1994 — Pelleted catalyst of platinum for diesel engine exhaust gases purification
National·Recommended
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Superseded
YS/T 218-1994 — Aluminium and aluminium alloy sheets of nonheat-reeatable strenging grades in large dimensions
National·Recommended
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$55.00PDF
Superseded
YS/T 221-1994 — Beryllium metal beads
National·Recommended
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$40.00PDF
Superseded
YS/T 224-1994 — Thallium
National·Recommended
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$25.00PDF
Superseded
YS/T 225-1994 — Microcrystalline zinc plate for zincography
National·Recommended
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$55.00PDF
Superseded
YS/T 226.1-1994 — Determination of the amount of bismuth selenide (potassium iodide, thiourea, strychnine absorptiometry)
National·Recommended
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$165.00PDF
Superseded
YS/T 226.10-1994 — Determination of sulphur content in selenium--Distillation-reduction photometric method
National·Recommended
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Superseded
YS/T 226.11-1994 — Determination of magnesium copper iron and nickel content in selenium--Atomic absorption spectrophotometric method
National·Recommended
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Superseded
YS/T 226.12-1994 — Determination of lead content in selenium--Oscillopolarographic method
National·Recommended
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Superseded
YS/T 226.13-1994 — Determination of the amount of lead selenide (polarography)
National·Recommended
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Superseded
YS/T 226.2-1994 — Determination of antimony content in selenium--Malachite green photometric method
National·Recommended
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Superseded
YS/T 226.3-1994 — Determination of selenium in the amount of tin (Phenylfluorone - bromo cetyl trimethyl amine absorption spectrometry)
National·Recommended
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$165.00PDF
Superseded
YS/T 226.4-1994 — Determination of aluminum content in selenium--Chrome azurol S--Cetyl trimethyl ammonium bromide absorption photometric method
National·Recommended
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$25.00PDF
Superseded
YS/T 226.5-1994 — Determination of mercury content in selenium
National·Recommended
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$25.00PDF
Superseded
YS/T 226.6-1994 — Determination of selenium in the amount of arsenic (arsenic and molybdenum blue photometric method)
National·Recommended
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Superseded
YS/T 226.7-1994 — Determination of silicon content in selenium--Silicon-molybdenum blue photometric method
National·Recommended
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Superseded
YS/T 226.8-1994 — Determination of selenium in the amount of boron (methylene blue photometric method)
National·Recommended
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Superseded
YS/T 226.9-1994 — Determination of chlorine content in selenium--Thiocyanate photometric method
National·Recommended
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Superseded
YS/T 227.1-1994 — Determination of bismuth content in tellurium. Potassium iodide, brucine photometric method
National·Recommended
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Superseded
YS/T 227.10-1994 — Determination of arsenic content in tellurium-n-butyl alcohol extraction arsenic-molybdenum blue photometric method
National·Recommended
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Superseded
YS/T 227.11-1994 — Determination of silicon content in tellurium--n-butyl alcohol extraction silicon-molybdenum blue photometric method
National·Recommended
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$10.00PDF
Superseded
YS/T 227.2-1994 — Determination of aluminum content in tellurium. Chromazurol S-tetradecyl pyridine bromide photometric method
National·Recommended
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Superseded
YS/T 227.3-1994 — Determination of lead content in tellurium. Dithizone-carbon tetrachloride extraction photometric method
National·Recommended
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Superseded
YS/T 227.4-1994 — Determination of iron content in tellurium. 1, 10-phenanthroline photometric method
National·Recommended
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Superseded
YS/T 227.5-1994 — Determination of selenium content in tellurium. 2, 3-diaminonaphthalene absorption photometric method
National·Recommended
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Superseded
YS/T 227.6-1994 — Determination of copper content in tellurium. Neocuproine Chloroform extraction photometric method
National·Recommended
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Superseded
YS/T 227.7-1994 — Determination of sulphur content in tellurium--Barium sulfate turbidimetry
National·Recommended
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Superseded
YS/T 227.8-1994 — Determination of magnesium and sodium contents in tellurium. Atomic absorption spectrophotometric method
National·Recommended
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Superseded
YS/T 227.9-1994 — Determination of tellurium content in tellurium. Potassium dichromate-ammonium ferrous sulfate volumetric method
National·Recommended
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