GB/T 28135-2011
Testing method of acidity(alkalinity) for pesticides - Indicator method
GB/T 28135-2011
Feed additive-Calcium salt of hydroxyl analogue of methionine
GB/T 28135-2011
Test method for hydrocarbon types in liquid petroleum products—Fluorescent indicator adsorption
GB/T 28135-2011
Standard test method for acid and base number of petroleum products and lubricants by colour-indicator titration
GB/T 28135-2011
Determination of basic nitrogen in petroleum distillates—Color indicator titration method
GB/T 28135-2011
Feed additive—Methionine hydroxy calcium
GB/T 28135-2011
Blue gel indicator,color changing silica gel and non-cobalt color changing silica gel
GB/T 28135-2011
Chemical reagent-General method for the determination of pH ranges corresponding the colour transition of acid-base indicators
GB/T 28135-2011
Standard test method for hydrocarbon types in liquid petroleum products by fluorescent indicator adsorption
GB/T 28135-2011
GB/T 28135-2011
Chemical reagent—General method for the determination of pH ranges corresponding the colour transition of acid-base indicators
GB/T 28135-2011
Standard test method for hydrocarbon types in liquid petroleum products by fluorescent indicator adsorption
GB/T 28135-2011
Sterilization of health care products — Biological indicators — Part 3: Biological indicators for moist heat sterilization processes
GB/T 28135-2011
Sterilization of health care products — Biological indicators — Part 2: Biological indicators for ethylene oxide sterilization processes
GB/T 28135-2011
Sterilization of health care products — Biological indicators — Part 8: Method for validation of a reduced incubation time for a biological indicator
GB/T 28135-2011
GB/T 28135-2011
Sterilization of health care products - Biological indicators - Part 8: Method for validation of a reduced incubation time for a biological indicator (ISO 11138-8:2021)
GB/T 28135-2011
GB/T 28135-2011
Sterilization of health care products - Biological indicators - Part 3: Biological indicators for moist heat sterilization processes
GB/T 28135-2011
Chemical reagent--General method for the determination of pH ranges corresponding the colour transition of acid-base indicators