MERCK 109435 Buffer solution pH 4 cap. 1 liter

Buffer Solution (citric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 4.00 (20°C) Certipur Catalogue Number 109435 Packing : 1 liter Specifications pH-value (20 °C) 3.99 - 4.01 Measured with a combined glass electrode after 5-point calibration according to DIN 19268 (expanded measurement uncertainty +/-0.01) with ref.buffer solutions according to DIN 19266, prepared with primary reference materials, at the accredited laboratory according to DIN EN ISO/IEC 17025. Deviations of pH (ΔpH) at various temperatures: (0 °C) + 0.05 (5 °C) + 0.04 (10 °C) + 0.02 (15 °C) + 0.01 (20 °C) +/- 0 (25 °C) + 0.01 (30 °C) + 0.01 (35 °C) + 0.01 (40 °C) + 0.01 (50 °C) +/- 0 PENTING !!! BARANG CAIRAN TIDAK BISA DIPESAN PAKAI TIKI/ JNE ITEM INI HANYA MELAYANI PENGIRIMAN VIA GOSEND DAN GRAB DI WILAYAH JAKARTA, UNTUK WILAYAH DI LUAR JAKARTA HARAP DI DISKUSIKAN DENGAN KAMI UNTUK MENENTUKAN PAKET PENGIRIMAN. HARAP MENANYAKAN STOK TERLEBIH DAHULU DAN MENYEBUTKAN JUMLAH QTTY YANG DIBUTUHKAN.