NY/T 3631-2020
Determination of theobromine and theophylline in tea-High performance-liquid chromatography
T/GZTSS 1-2021
YS/T 738.2-2010
Analysis method for aluminum hydroxide for filler—Part 2:Determination method of soulble alkali
DIN 10811-2
Analysis of tea and tea products - Determination of theobromine and caffeine content of fluid tea drinks - Part 2: HPLC-reference method (for low theobromine contents also)
GB/T 36084-2018(\u82f1\u6587\u7248)
纳米技术 水溶液中铜、锰、铬离子含量的测定 紫外-可见分光光度法
DIN 10811-1
Analysis of tea and tea products - Determination of theobromine and caffeine content of fluid tea drinks - Part 1: HPLC-Routine method
GB/T 3653.1-2024
Ferroboron—Determination of boron content—Alkalimelry method
GB/T 41704-2022
Test methods of cathode materials for lithium ion battery—Determination of magnetic impurities content and residual alkali content
GB/T 17528-2009
Determination of piperine content - Method using HPLC
DIN 10810
Analysis of tea and tea products - Determination of theobromine and coffeine content of instant tea in solid form and instant tea products - HPLC-method
DB65/T 8009-2024
GB/T 3711-2008
Method of determination for neutral oils and pyridine bases contents of phenol products
GH/T 1395-2022
GB/T 30388-2013
Chillies and chilli oleoresins―Determination of total capsaicinoid content―Method using HPLC
DB22/T 325-2002
GB/T 30389-2013
Chillies and chilli oleoresins—Determination of total capsaicinoid content—Spectrophotometric methods
QB/T 2623.2-2020
Test methods of soaps-Determination of total free alkali content in soaps(ISO 684:1974, Analysis ofsoaps-Determination oftotal free alkali, MOD)
NY/T 2011-2011
Determination of limonin in citrus fruits and derived products
QB/T 2623.1-2020
Test methods of soaps-Determination offree caustic alkali content in soaps(ISO 456:1973, Surface active agents-Analysis of soaps-Determination of free caustic alkali, MOD)
QB/T 5221-2018
Determination of Piperine in toothpaste-High performance liquid chromatography