Panreac 卡尔费休水标 1.0(1 g 含水 1.0 mg = 0.1% H2O 1000ppm)，含证书，可溯源 SRM of NIST

1.211331AQUARANAL Karl Fischer Water Standard 1,0 mg/gStandard for titer determination of coulometric KF titration 1 g contains 1.00 ±0.005mg = 0.1% H2O