GB - Chinese national standards

Chemical reagent—Formic acid

Available languages: English, Chinese

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Chemical reagent--Calcium carbonate

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Chemical reagent—Cobalt nitrate hexahydrate

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Chemical reagent—Manganese sulfate monohydrate

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Education and learning services—Distance and digital learning services (DDLS)—Guidance for best practices

Available languages: English, Chinese

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Chemical reagent—Copper chloride dihydrate

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Conveyor belts—Determination of elastic and permanent elongation and calculation of elastic modulus

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Test methods for flame resistance of pressure sensitive adhesive tapes

Available languages: English, Chinese

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Rubber—Determination of polyisoprene content

Available languages: English, Chinese

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Rubbervulcanized--Test method of damp heat aging

Available languages: English, Chinese

Available design: electronic design (pdf), Print design