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Standard No.	Title	Price(USD)	Delivery	Status	Add to Cart
GB/T 21524-2008	Particle size determination of inorganic chemical products - Sieving method	$104.00	via email in 1~3 business day	valid,,2008-9-1
GB/T 21525-2008	Inorganic chemical products for industrial use - General method for determination of magnesium content by complexation titration	$104.00	via email in 1~3 business day	valid,,2008-9-1
GB/T 22379-2017	Sodium metal for industrial use	$220.00	via email in 1~3 business day	valid,,2018-4-1
GB/T 22650-2008	Sodium hydroxide for industrial use - Determination of calcium and magnesium content - Complexometric method	$80.00	via email in 1~3 business day	valid,,2009-8-1
GB/T 22651-2008	Sodium hydroxide for industrial use - Determination of mercury content - Spectrometric method	$100.00	via email in 1~3 business day	valid,,2009-8-1
GB/T 2367-2016	Sodium nitrite for industrial use	$160.00	immediately	valid,,2017-7-1
GB/T 23761-2009	Test method of photocatalytic materials for air purification	$180.00	via email in 1~3 business day	superseded,2021-2-1,2010-1-1
GB/T 23762-2009	Test method of photocatalytic materials for purification of water solution	$180.00	via email in 1~3 business day	superseded,2021-2-1,2010-1-1
GB/T 23763-2009	Photo-catalytic antimicrobial materials and products - Assessment for antimicrobial activity and efficacy	$184.00	immediately	valid,,2010-1-1
GB/T 23764-2009	Test method of photocatalytic materials for self-cleaning	$180.00	via email in 1~3 business day	valid,,2010-1-1
GB/T 23765-2009	Test method of sodium cyanide and potassium cyanide products	$240.00	via email in 1~3 business day	valid,,2010-1-1
GB/T 23768-2009	Inorganic chemicals for industrial use - General rules for flame atomic absorption spectrometry	$240.00	via email in 1~3 business day	valid,,2010-1-1
GB/T 23769-2009	Inorganic chemical products - General method for the determination of pH values	$120.00	via email in 1~3 business day	valid,,2010-1-1
GB/T 23770-2009	Liquid inorganic chemical products - General method for the measurement of colour	$180.00	via email in 1~3 business day	valid,,2010-1-1
GB/T 23771-2009	Determination of bulk density for inorganic chemical products	$130.00	via email in 1~3 business day	valid,,2010-1-1
GB/T 23772-2009	Inorganic chemicals for industrial use - General method for the determination of total nitrogen content - Nesslers reagent colorimetric method	$180.00	via email in 1~3 business day	valid,,2010-1-1
GB/T 23773-2009	Inorganic chemicals for industrial use - General method for determination of ammonium content - Nesslers reagent colorimetric method	$180.00	via email in 1~3 business day	valid,,2010-1-1
GB/T 23774-2009	Inorganic chemicas for industrial use - General method for the determination of whiteness	$120.00	via email in 1~3 business day	valid,,2010-1-1
GB/T 23834.1-2009	Chemical analysis method for stannous sulfate - Part 1: Determination of stannous sulfate content - Volumetric method of potassium dichromate	$120.00	via email in 1~3 business day	valid,,2010-2-1
GB/T 23834.2-2009	Chemical analysis method for stannous sulfate - Part 2: Determination of insoluble substance in hydrochloric acid - Gravimetric method	$120.00	via email in 1~3 business day	valid,,2010-2-1
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