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GB - Chinese national standards
Page 1639
GB/T 23278.2-2009 (05/01/2009)
Methods for chemical analysis of sodium stannate - Part 2: Determination of iron content - 110-phenanthroline photometric method
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 166.80 USD more info
GB/T 23278.3-2009 (05/01/2009)
Methods for chemical analysis of sodium stannate - Part 3: Determination of arsenic content - Molybdoantimonyarsenate blue spectrophotometric method
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 166.80 USD more info
GB/T 23278.4-2009 (05/01/2009)
Methods for chemical analysis of sodium stannate - Part 4: Determination of lead content - Flame atomic absorption spectrometry
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 166.80 USD more info
GB/T 23278.5-2009 (05/01/2009)
Methods for chemical analysis of sodium stannate - Part 5: Determination of antimony content - Malachite green photometric method
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 166.80 USD more info
GB/T 23278.6-2009 (05/01/2009)
Methods for chemical analysis of sodium stannate - Part 6: Determination of free alkali content - Titration
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 166.80 USD more info
GB/T 23278.7-2009 (05/01/2009)
Methods for chemical analysis of sodium stannate - Part 7: Determination of alkali insoluble matter - Gravimetric analysis
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 178.80 USD more info
GB/T 23278.8-2009 (05/01/2009)
Methods for chemical analysis of sodium stannate - Part 8: Determination of nitrate content - Ion selective electrode method
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 166.80 USD more info
GB/T 23279-2009 (16/03/2009)
Sheet-feeding machine
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 442.80 USD more info
GB/T 23280-2025 (31/10/2025)
Open front mechanical power presses—Testing of the accuracy
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 238.80 USD more info
GB/T 23281-2009 (16/03/2009)
Metal forming machinery -noise measurement method of sound pressure levels
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 274.80 USD more info
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