GBW (E) 130071 standard substance mixed phosphate PH PH = 6.86 or less is now GBW (E) 130071 standard substance mixed phosphate PH PH = 6.86 related parts product information, GBW (E) 130071, mixed phosphate PH PH Standards = 6.86, is widely used in environmental, food, medicine, agriculture, metallurgy, chemical, petroleum, light industry, electronics and other fields pH meter test and calibration and quality control measurement PH - [Jia Industrial Co., Ltd. was Xinyang www time .gbw5805.com] (Central substances Network) The GBW (E) 130071, reference material mixed phosphate PH PH = 6.86,10 / box, packed in clean plastic bottle. [Precautions] each time to take a branch, the samples were all poured into 250mL flask with freshly distilled repeatedly washed with distilled water and transferred to a vial volumetric flask, dilute to the mark until completely dissolved, you can use after shaking. Valid for 5 years [feature] form the solid matrix [] [] dihydrotestosterone electrode main analysis methods have liquid junction cell electric measurement GBW (E) 130070 PH potassium hydrogen phthalate standard material PH = 4 2 grams * may 10 / box GBW (E) 130071 mixed phosphate PH Standards PH = 6.86 2 grams * may 10 / box GBW (E) 130072 borax PH Standards PH = 9.18 2 grams * may 10 / box GBW (E) 130075 mixed phosphate PH standard substance (disodium hydrogen phosphate, potassium dihydrogen phosphate mix, PH = 7.41) (25 ℃) 500ML / bottle GBW (E) 130074 PH standard substance mixed phosphate (disodium hydrogen phosphate, potassium dihydrogen phosphate mix, PH = 6.86) (25 ℃) 500ML / bottle GBW (E) 130076 pH solution of potassium hydrogen phthalate standard material PH = 4.00 (25 ℃) 500ML / bottle GBW (E) 130077 borax solution pH Standards PH = 9.18 (25 ℃) 500ML / bottle GBW (E) 130340 PH potassium hydrogen phthalate standard material PH = 4.00 2 grams * may 10 / box GBW (E) 130341 mixed phosphate pH standard material PH = 6.86 2 grams * may 10 / box GBW (E) 130343 borax pH Standards PH = 9.18 2 grams * may 10 / box BW13007 calcium hydroxide pH Standards PH = 12.46 2 grams * may 10 / box BW13001 four potassium oxalate pH Standards PH = 1.68 2 grams * may 10 / box BW13002 potassium hydrogen tartrate pH Standards PH = 3.56 2 grams * may 10 / box GBW (E) 130193 four potassium oxalate pH Standards PH = 1.68 (25 ℃) 50g / bottle GBW (E) 130194 phthalic potassium acid pH Standards PH = 4.01 (25 ℃) 50g / bottle GBW (E) 130195 mixed phosphate pH standard substance (KH2pO3 disodium hydrogenphosphate) PH = 6.87 (25 ℃) 50g / bottle GBW (E) 130195 Mixed phosphate pH standard substance (Na2HpO3 potassium dihydrogen phosphate) PH = 6.87 (25 ℃) 50g / bottle GBW (E) 130196 borax pH Standards PH = 9.18 (25 ℃) 50g / bottle GBW (E) 130197 Calcium hydroxide pH Standards PH = 12.46 (25 ℃) 50g / bottle Plains Standards Network - Contact Xinyang when in the best Industrial Ltd. Tel: 18337685271 Contact: Li Xue QQ: 3,177,817,180 when Xinyang Industrial Co., Ltd. was good: www.gbw5805.com