GB/T 43282.2-2023 Chinese PDF (GB/T43282.2-2023) GB/T 45169-2025 GB/T 2684-2025_Chinese: Test methods for

GB/T 2684-2025_Chinese: Test methods for foundry sands and molding mixtures (Chinese: 铸造用砂及混合料试验方法)

English versions: GB 17761-2024

GB/T 34765-2024_Chinese: Fertilizers and soil conditioners - Determination of fulvic acid content and carbon coefficient (Chinese: 肥料和土壤调理剂 黄腐酸含量及碳系数的测定方法)

2-2023_Chinese: Methods for chemical analysis of nickel alloys - Part 2: Determination of phosphorus content - Molybdenum blue spectrophotometry (Chinese: 镍合金化学分析方法 第2部分：磷含量的测定 钼蓝分光光度法)

English versions: GB/T 35609-2025

GB/T 43282.2-2023 Chinese PDF (GB/T43282.2-2023) GB/T 45169-2025 GB/T 2684-2025_Chinese: Test methods forGB T 43282. 2 2023_Chinese: Plastics Determination of the aerobic biodegradation of plastic materials exposed to seawater Part 2: Method by measuring the oxygen demand in closed respirometer (Chinese: 2) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 43282. 2 2023