Browse Standards
Found: 129534 — page 2675 of 2699
Valid
GB/T 11901-1989 — Water quality--Determination of suspended substance--Gravimetric method
National·Recommended
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$50.008 pages
Valid
GB/T 11902-1989 — Water quality. Determinaton of selenium. Diaminonaphthalene fluorometric method
National·Recommended
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$194.004 pages
Valid
GB/T 11903-1989 — Water quality. Determination of colority
National·Recommended
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$144.003 pages
Valid
GB/T 11904-1989 — Water quality. Determinatoin of potassium and sodium. Flame atomic absorption spectrophotometry
National·Recommended
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$144.003 pages
Valid
GB/T 11905-1989 — Water quality. Determination of calcium and magnesium. Atomic absorption spectrophotometric method
National·Recommended
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$164.004 pages
Valid
GB/T 11906-1989 — Water quality. Determination of manganese. Potassium periodate spectrophotometric method
National·Recommended
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$144.003 pages
Valid
GB/T 11907-1989 — Water qualtiy. Determination of silver. Flame atomic absorption spectrophotometric method
National·Recommended
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$144.003 pages
Valid
GB/T 11910-1989 — Water quality. Determination of nickel. Dimethylglyoxime spectrophotometric method
National·Recommended
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$164.004 pages
Valid
GB/T 11911-1989 — Water quality. Determination of iron and manganese. Flame atomic absorption spectrometric method
National·Recommended
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$144.003 pages
Valid
GB/T 11912-1989 — Water quality. Determination of nickel. Flame atomic absorption spectrometric method
National·Recommended
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$144.003 pages
Valid
GB/T 11986-1989 — Surface active agents. Powders and granules. Mesurement of the angle of repose
National·Recommended
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$95.007 pages
Valid
GB/T 12005.1-1989 — Determination for limiting viscosity number of polyacrylamide
National·Recommended
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$234.005 pages
Valid
GB/T 12005.2-1989 — Determination of solid content of polyacrylamide
National·Recommended
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$60.008 pages
Valid
GB/T 12005.6-1989 — Determination of hydrolysis degree ofpartly hydrolysis polyacrylamide
National·Recommended
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$60.008 pages
Valid
GB/T 12005.7-1989 — Determination of particle size of powder polyacry-lamide
National·Recommended
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$60.008 pages
Valid
GB/T 12005.8-1989 — Determination of dissolving velocity ofpowder polyacrylamide
National·Recommended
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$75.008 pages
Valid
GB/T 12006.4-1989 — Polyamide homopolymers. Determination of matter extractable by boiling methanol
National·Recommended
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$95.004 pages
Valid
GB/T 12007.3-1989 — Epoxide resins. Determination of total chlorine content
National·Recommended
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$95.004 pages
Valid
GB/T 12007.6-1989 — Epoxide resins. Determination of softening point. Ring and ball method
National·Recommended
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$95.004 pages
Valid
GB/T 12007.7-1989 — Determination of gelation time of epoxide resins
National·Recommended
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$144.003 pages
Valid
GB/T 12041-1989 — Information technology -- Chinese ideogram coded character set (basic set). 48 dot matrix font -- Part 1: Song Ti
National·Recommended
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$814.0027 pages
Valid
GB/T 12052-1989 — Korean character coded character set for information interchange
National·Recommended
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$455.0025 pages
Valid
GB/T 12053-1989 — Alphanumeric character sets for optical recognition. Part 1: Character set OCR-A. Shapes and dimensions of the printed image
National·Recommended
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$285.0018 pages
Valid
GB/T 12054-1989 — Data processing. Procedure for registration of escape sequences
National·Recommended
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$199.006 pages
Valid
GB/T 12055-1989 — Information processing. Magnetic tape cassette and cartridge labelling and file structure for information interchange
National·Recommended
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$135.009 pages
Valid
GB/T 12057-1989 — General purpose 37-position and 9-position interface for data terminal equipment and data circuit-terminating equipment employing serial binary data interchange
National·Recommended
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$285.0023 pages
Valid
GB/T 12060-1989 — Sound system equipment -- Part 1: General
National·Recommended
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$314.0013 pages
Valid
GB/T 12082-1989 — Letter symbols for gas lasers
National·Recommended
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$794.0015 pages
Valid
GB/T 12118-1989 — Data processing. Vocabulary. Part 21: lnterfaces between process computer systems and technical processes
National·Recommended
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$374.007 pages
Valid
GB/T 1526-1989 — Information processing. Documentation symbols and conventions for data, program and system flowcharts, program network charts and system resources charts
National·Recommended
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$285.0017 pages
Valid
GB/T 1630-1989 — Plastics -- Epoxy resins -- Part 1: Designation
National·Recommended
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$89.004 pages
Valid
GB/T 1711-1989 — Comparison of heat stability of pigments in stoving medium
National·Recommended
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$70.001 pages
Valid
GB/T 1840-1989 — Modules of cylindrical gear with circular arc profiles
National·Recommended
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$60.008 pages
Valid
GB/T 1883-1989 — Reciprocating internal combustion engines - Vocabulary - Part 1: Terms for engine design and operation
National·Recommended
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$809.0027 pages
Valid
GB/T 2012-1989 — Aromatic hydrocarbons; Test methods of acid wash
National·Recommended
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$30.002 pages
Valid
GB/T 2085-1989 — Aluminium powder - Part 1: Air atomized aluminium powder
National·Recommended
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$344.0012 pages
Valid
GB/T 223.17-1989 — Methods for chemical analysis of iron, steel and alloy - The diantipyrylmethane photometric method for the determination of titanium content
National·Recommended
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$60.007 pages
Valid
GB/T 223.19-1989 — Methods for chemical analysis of iron, steel and alloy. The neocuproine-chloroform extraction photometric method for the determination of copper content
National·Recommended
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$60.007 pages
Valid
GB/T 223.28-1989 — Methods for chemical analysis of iron, steel and alloy. The α-benzoin oxime gravimetric method for the determination of molybdenum content
National·Recommended
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$234.005 pages
Valid
GB/T 223.46-1989 — Methods for chemical analysis of iron, steel and alloy. The flame atomic absorption spectrometric method for the determination of magnesium content
National·Recommended
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$164.004 pages
Valid
GB/T 223.66-1989 — Methods for chemical analysis of iron, steel and alloy - The thiocyanate-chlorpromazine hydrochloride-chloroform extraction photometric method for the determination of tungsten content
National·Recommended
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$194.004 pages
Valid
GB/T 3369-1989 — Analogue signals for process control systems -- Part 1: Direct current signals
National·Recommended
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$69.004 pages
Valid
GB/T 464.1-1989 — Accelerated aging (dry heat treatment) of paper and board
National·Recommended
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$144.005 pages
Valid
GB/T 492-1989 — Sodium base lubricating grease
National·Recommended
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$124.002 pages
Valid
GB/T 7631.4-1989 — Lubricants and related products (class L). Classification. Part 4: Family F (Spindle bearings, bearings and associated clutches)
National·Recommended
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$75.001 pages
Valid
GB/T 7631.5-1989 — Lubricants and related products (class L). Classification. Part 5: Family M (metalworking)
National·Recommended
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$144.003 pages
Valid
GB/T 7631.6-1989 — Lubricants and related products (class L). Classification. Part 6: Family R (temporary protection against corrosion)
National·Recommended
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$75.002 pages
Valid
HG/T 20671-1989 — Lead-lined chemical equipment
Industry·Recommended
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$435.0025 pages