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Preview GB/T 20899.5-2021 20.8.2021
GB/T 20899.5-2021

Methods for chemical analysis of gold ores—Part 5: Determination of lead content

Standard published on 20.8.2021

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electronic design (pdf) (334.80 USD)


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334.80 USD


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Preview GB/T 20899.6-2021 20.8.2021
GB/T 20899.6-2021

Methods for chemical analysis of gold ores—Part 6: Determination of zinc content

Standard published on 20.8.2021

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electronic design (pdf) (238.80 USD)


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238.80 USD


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Preview GB/T 20899.7-2022 30.12.2022
GB/T 20899.7-2022

Methods for chemical analysis of gold ores—Part 7: Determination of iron content

Standard published on 30.12.2022

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electronic design (pdf) (238.80 USD)


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238.80 USD


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Preview GB/T 20899.8-2022 30.12.2022
GB/T 20899.8-2022

Methods for chemical analysis of gold ores—Part 8: Determination of sulfur content

Standard published on 30.12.2022

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electronic design (pdf) (334.80 USD)


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334.80 USD


in 3 working days
Preview GB/T 20899.9-2025 30.6.2025
GB/T 20899.9-2025

Methods for chemical analysis of gold ores—Part 9: Determination of carbon content

Standard published on 30.6.2025

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electronic design (pdf) (322.80 USD)


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322.80 USD


in 3 working days
Preview GB/T 209-2018 28.12.2018
GB/T 209-2018

Sodium hydroxide for industrial use

Standard published on 28.12.2018

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electronic design (pdf) (238.80 USD)


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238.80 USD


in 3 working days
Preview GB/T 20900-2007 17.4.2007
GB/T 20900-2007

Lifts(elevators),escalators and moving walks - Risk assessment and reduction methodology

Standard published on 17.4.2007

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electronic design (pdf) (760.80 USD)


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760.80 USD


in 4 working days
Preview GB/T 20901-2007 16.4.2007
GB/T 20901-2007

Specification for equipping and managing of measuring instrument of energy in petroleum and petrochemical industry

Standard published on 16.4.2007

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electronic design (pdf) (250.80 USD)


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250.80 USD


in 3 working days
Preview GB/T 20902-2007 16.4.2007
GB/T 20902-2007

Specification for equipping and managing of the measuring instrument of energy in the nonferrous metals smelters

Standard published on 16.4.2007

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electronic design (pdf) (286.80 USD)


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286.80 USD


in 3 working days
Preview GB/T 20903-2007 5.4.2007
GB/T 20903-2007

Classification of condiment

Standard published on 5.4.2007

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electronic design (pdf) (156.00 USD)


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156.00 USD


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